ISC Chemistry Exam 2026 LIVE: Answer Key; Student Reviews & Expert Analysis

09 00 PM IST - 23 Feb'26

When will ISC Mathematics and Physics exam will take place?

• February 25, 2026: Mathematics
• March 3, 2026: Physics 

08 00 PM IST - 23 Feb'26

What if I shall not get passing marks in ISC Chemistry 2026 exam?

If the candidates get less than 35% marks in the ISC Chemistry 2026 exam, then they will get a chance to improve their marks. For the same reason, they should appear for the compartment exams. The date of the ISC Compartment exams will be announced later once the result is declared. 

07 00 PM IST - 23 Feb'26

ISC Chemistry Exam 2026: When will release the result?

The authority is yet to announce the official date of releasing the ISC result 2026. Typically, the CISCE takes 6 to 8 weeks to release the results from the date of exam commencement. This indicates that the ISC result 2026 will likely be released in May 2026. 

06 23 PM IST - 23 Feb'26

ISC Chemistry Exam 2026: Unofficial Answer Key is Available

The test takers can find out the ISC Chemistry 2026 exam unofficial answer key for the MCQs here. Based on that the candidates can find out their performance in Section A. 

06 00 PM IST - 23 Feb'26

What is the passing marks for ISC Chemistry Exam 2026

• Paper 1 (Theory): 25 marks
• Paper 2 (Practical/ Project): 11 marks
• Total passing marks: 35 marks

05 00 PM IST - 23 Feb'26

ISC Chemistry exam 2026: Exam Ends

The ISC Chemistry 2026 exam has ended. Soon the test takers will leave the exam hall and the CollegeDekho team will connect them for collecting their feedbck. 

02 00 PM IST - 23 Feb'26

ISC Chemistry exam 2026: Exam Starts

The ISC Chemistry 2026 exam has started, which will end at 5 PM. After that, the CollegeDekho experts will analyse the unofficial answer keys of the ISC Chemistry questions. 

01 00 PM IST - 23 Feb'26

Do I need to carry any rough sheet to the exam centre?

No, the candidates do not need to carry any worksheet on their own to the exam centre. If required, the candidates will be provided with the rough sheet inside the exam hall. 

12 00 PM IST - 23 Feb'26

When the ISC Chemistry exam 2026 question paper will be submitted?

Candidates will be submitted the ISC Chemistry 2026 question paper at 1.45 PM, that is 15 minutes before the scheduled exam time. During that time, the candidates will not be allowed to write down the answers. It is advised to read the questions very carefully during then. 

11 00 AM IST - 23 Feb'26

What is the reporting time for ISC Chemistry 2026 exam?

Candidates should reach the exam centre by 1.15 PM on February 23, 2026. Post that no one will be allowed to enter the exam hall. 

10 00 AM IST - 23 Feb'26

Can I bring hardcopy of the ISC admit card 2026 to the exam centre?

No, the candidates will not be allowed to enter the exam centre with the hard copy of the ISC admit card. Only the original admit card will be accepted. Entry without the ISC original admit card will be prohibited inside the exam hall.

09 00 AM IST - 23 Feb'26

ISC Chemistry Exam 2026: Exam Day Guidelines

• Candidates should carry their ISC admit card 2026 (original) to the exam centre
• Try to reach the exam centre before 1.15 PM on February 23, 2026
• Do not bring any electronic gadgets, smart watches, or any devices inside the exam hall
• Don't try to do any kind of cheating inside the exam centre, otherwise, the candidates will be debarred from the exam

08 00 AM IST - 23 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (34)

(i) The rate constants of a reaction at 500K and 700K are 0·02 sec^-1 and 0·07 sec^-1, respectively. Calculate the value of E_a (activation energy)

(ii) A radioactive substance that emits an alpha particle follows first order reaction. The half-life period of this radioactive substance is 30 hours. Calculate the fraction in percent (%) of the radioactive substance that remains after 90 hours.

07 00 AM IST - 23 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (33)

Ques. Give a chemical test to distinguish between the following pairs of compounds.

(a) Ethanol and methanol (b) Ethanol and Ethanal (c) Propan-2-ol and 2-methyl propan-2-ol

06 00 AM IST - 23 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (32)

Identify the compounds [A], [B], and [C] in each of the following reactions.

Answer:

[A]: Benzene Diazonium Chloride

[B]: Benzonitrile

[C]: Benzoic Acid

05 00 AM IST - 23 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (31)

An organic compound C₂H₄O gives a red precipitate when heated with Fehling solution. It also undergoes aldol condensation in the presence of dilute NaOH.

(i) Identify the organic compound and write its IUPAC name.

(ii) Which compound will be formed when this organic compound reacts with hydroxylamine?

(iii) What is observed when the compound, referred to in subpart (i), is heated with ammonical silver nitrate?

04 00 AM IST - 23 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (30)

(i) Aradhana visits a physician as she is suffering from rickets and joint pain. Which fat-soluble vitamin should the physician prescribe to her?

(ii) Somesh put a few drops of vinegar in milk. What change do you think he observed in the milk after some time? What is this phenomenon known as?

(iii) Name the product of the hydrolysis of sucrose. Is it a reducing sugar or a non-reducing sugar?

03 00 AM IST - 23 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (29)

(i) Illustrate the following reactions by giving one suitable example in each case.

          (a) Coupling reaction

          (b) Acetylation of ethylamine

(ii) Aniline does not give Friedel – Crafts reaction. Give a reason.

02 00 AM IST - 23 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (28)

(i) Why is Mn⁺² ion more stable than Fe+2 ion? (Atomic number of Mn = 25 and Fe = 26)

(ii) Trivalent Lanthanoid ions such as La³⁺ (Z = 57) and Lu³⁺ (Z = 71) do not show any colour in their solution. Give a reason.

01 00 AM IST - 23 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (27)

(i) Benzaldehyde is less reactive than propionaldehyde. Why?

(ii) In the preparation of ethanal by the oxidation of ethanol, ethanal should be removed immediately as it is formed. Why?

12 00 AM IST - 23 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (26)

Give a reason for each of the following.

(a) Ethoxy ethane does not react with sodium, but ethanol does.

(b) Methoxy ethane with conc. HI at 373K gives C₂H₅OH and CH₃I but not CH₃OH and C₂H₅I.

11 00 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (25)

Ques. Calculate the maximum possible electrical work that can be obtained from a galvanic cell under standard conditions at 298 K.

10 00 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (24)

How will you bring the following conversions?

(i) Benzene to biphenyl (ii) Iodoform to acetylene

09 30 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (23)

Give a reason for each of the following.

(i) Zinc, cadmium, and mercury are considered d-block elements but not regarded as transition elements.

(ii) Transition metals possess a great tendency to form complex compounds.

09 00 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (22)

(i) Write a chemical test to distinguish between ethanol and phenol.

(ii) Give a chemical reaction to convert acetaldehyde into secondary propyl alcohol.

08 30 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (21)

Assertion: Ammonolysis of alkyl halides involves the reaction between alkyl halides and alcoholic ammonia.

Reason: Ammonolysis of alkyl halides produces secondary amines only.

(a) Both Assertion and Reason are true and Reason is the correct explanation for Assertion.

(b) Both Assertion and Reason are true but Reason is not the correct explanation for Assertion.

(c) Assertion is true but Reason is false.

(d) Assertion is false but Reason is true.

Answer: (c) Assertion is true but Reason is false.

08 00 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (20)

Assertion: Specific conductivity of all electrolytes decreases on dilution.

Reason: On dilution, the number of ions per unit volume decreases.

(a) Both Assertion and Reason are true, and Reason is the correct explanation for Assertion.

(b) Both Assertion and Reason are true, but Reason is not the correct explanation for Assertion.

(c) Assertion is true, but Reason is false.

(d) Assertion is false, but Reason is true.

Answer: The correct answer is (a) Both Assertion and Reason are true, and Reason is the correct explanation for Assertion.

07 30 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (19)

Ques. An equimolar solution of non-volatile solutes A and B, shows a depression in freezing point in the ratio of 2:1. If A remains in its normal state in the solution, the state of B in the solution will be:

(a) normal. (b) hydrolysed. (c) associated. (d) dissociated.

Answer: (c) associated.

07 00 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (18)

Ques. Fill in the blanks by choosing the appropriate word(s) from those given below in the brackets.

[lead poisoning, zero, phosgene, dependent, cancer, independent, diethyl ether, first, ethyl carbonate, ethene] 

(i) For a particular reaction, the value of rate constant is 0·05 sec -1 . The reaction is of _______order and will be ______ of the initial concentration.

(ii) EDTA is used in the treatment of ______ while Cisplatin is used in the treatment of ______.

(iii) The addition of small quantity of ethanol to chloroform prevents the formation of ______ and converts it into the harmless compound ______.

(iv) The dehydration of ethyl alcohol with conc. H2SO4 at 140°C mainly yields ______ while at 170°C the main product formed is ______.

Answer:

i) First, independent

ii) lead poisoning, cancer

iii) phosgene, ethyl carbonate

iv) diethyl ether, ethene

06 30 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (17)

Ques. When KMnO₄ is heated with acidified oxalic acid, gas bubbles are evolved. These gas bubbles are evolved due to the formation of:

(a) SO₂ (b) CO₂ (c) SO₃ (d) O₂

06 00 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (16)

Ques. The reaction of ethanamide with alcoholic sodium hydroxide and bromine gives:

(a) ethylamine. (b) methylamine. (c) propylamine. (d) aniline.

Answer: (b) methylamine.

05 30 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (15)

Ques. The structure of an amino acid exists in the following two forms:

The above structure is an example of ______. If the side chain R is replaced by hydrogen, the amino acid is known as ____.

(ii) Janice notices that her gums bleed while brushing and eating food. Name the water-soluble vitamin that she should consume to prevent bleeding of gums.

(iii) Which linkage holds two units of monosaccharides in a disaccharide?

05 00 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (14)

Ques. Answer the following questions.

(a) Specific conductance of a solution decreases upon dilution. Why?

(b) The emf of a cell should be positive for a spontaneous reaction. Give a reason.

(c) Name the type of cell in which a reaction occurs only in one direction and cannot be reversed by an external energy source. Write any one disadvantage of this type of cell.

04 30 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (13)

Ques. Answer the following questions.

(a) By referring to the electrochemical series, how can anode and cathode half-cells be identified in a galvanic cell?

(b) What is the role of the salt bridge in a galvanic cell?

(c) Write an advantage and a disadvantage of a fuel cell.

04 00 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (12)

Ques. Write chemical equations to illustrate the following name reactions:

(i) Finkelstein reaction

(ii) Williamson's synthesis

(iii) Reimer-Tiemann reaction

03 30 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (11)

Ques. Identify the compounds [A], [B], and [C] in each of the following reactions:

03 00 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (10)

Ques. Write the chemical test to distinguish between each of the following pairs of compounds.

(i) Ethanol and propan-1-al

(ii) Phenol and benzoic acid

02 30 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (9)

Ques. Write chemical equations to convert the following:

a) Benzaldehyde to benzene

b0 Benzoic acid to benzaldehyde

02 00 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (8)

Ques. Identify the compounds [A], [B], [C], and [D] in the following reaction:

Answer:

[A]: Benzene Diazonium Chloride

[B]: Benzonitrile (Phenyl cyanide)

[C]: Benzoic Acid

[D]: m-Nitrobenzoic acid

01 30 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (7)

Ques. While conducting an experiment on coordination compounds, Shirin observed a white precipitate when AgNO₃ solution was added to the aqueous solution of the complex [Co(NH₃)₃(en)SO₄]Cl. How can the ionisation isomer of this complex be detected by a chemical test? Write the structure and the IUPAC name of the ionisation isomer.

01 00 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (6)

Write a balanced chemical equation for each of the following:

i. Ethyl cyanide is reduced with LiAlH₄

ii. Aniline is treated with bromine water

12 30 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (5)

Calculate the number of coulombs required to electroplate 4.75 g of aluminium when the electrode reaction is Al³⁺+3e^------>Al

(Given: Atomic weight of Al = 27 g mol^-1, 1 Faraday = 96,500 coulombs)

12 00 PM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (4)

Ques. Which one of the following does NOT form a silver mirror on heating with Tollen's reagent?

(a) Glucose (b) Fructose (c) Sucrose (d) Lactose

Answer: (c) Sucrose

11 30 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (3)

Ques. Which one of the following alcohols is the strongest acid?

(a) Phenol (b) Methanol (c) Ethanol (d) t-butyl alcohol

Correct Answer: (a) Phenol

11 00 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (2)

Ques. The osmotic pressure of a solution:

(P) increases with an increase in the number of moles of solute.

(Q) decreases with an increase in the number of moles of solute.

(R) increases at a higher temperature.

(S) is dependent on the nature of the solute.

Which one of the following is correct?

(a) Only (P) and (Q) are correct

(b) Only (P) and (R) are correct

(c) Only (P) and (S) are correct

(d) Only (Q) and (S) are correct

Answer: Correct answer is (b) Only (P) and (R) are correct.

10 30 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Previous Year's Question (1)

Ques. Which one of the following can produce the foul-smelling compound methyl isocyanide in the presence of alcoholic KOH?

(a) Chloroform and aniline

(b) Chloroform and methanol

(c) Chloroform and dimethylamine

(d) Chloroform and methyl amine

Answer: (d) Chloroform and methylamine.

10 00 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 17

The above graph indicates the variation of the molar conductivity of different electrolytes. NaCl, CH₃COOH, and KCl are represented as I, II, and III, respectively. The order of increase in molar conductivity with concentration is:
(a) (II), (III), (I)

(b) (I), (III), (II)

(c) (III), (II), (I)

(d) (III), (I), (II)

Answer: (b) (I), (III), (II)

09 30 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 16

Ques. How much charge is required for the reduction of 1 mole of Cu⁺² to Cu?

(a) 193500C

(b) 193000C

(c) 192500C

(d) 193600C

Answer: (b) 193000 C.

09 00 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 15

Ques. The C-X bond length in haloarenes is shorter due to:

(a) resonance with the benzene ring.

(b) formation of carbocation.

(c) Van der Waals forces.

(d) polarisation of the bond.

Answer: (a) resonance with the benzene ring.

08 30 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 14

Ques. The reaction of the compound A with NH₃ gives an aromatic amine B. This amine, on treatment with nitrous acid, forms a diazonium salt which is used in the preparation of A. Identify A and B.

(a) C₆H₅NH₂ and C₆H₅Cl.

(b) C₆H₅Cl and C₆H₅OH.

(c) C₆H₅CN and C₆H₅Cl.

(d) C₆H₅Cl and C₆H₅NH₂

Answer: C₆H₅Cl and C₆H₅NH₂

08 00 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 13

Ques. Rahul wants to prepare chloroform in the laboratory using ethanol. The correct order of preparation is:

(a) oxidation, liberation of Cl₂, hydrolysis, and chlorination.

(b) liberation of Cl₂, oxidation, chlorination, and hydrolysis.

(c) hydrolysis, oxidation, chlorination, and liberation of chlorine.

(d) chlorination, hydrolysis, oxidation, and liberation of chlorine.

Answer: (b) liberation of Cl₂, oxidation, chlorination, and hydrolysis.

07 30 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 12

Ques. What kind of bond will be formed when glycine and alanine are condensed together?

(a) Zwitterionic bond

(b) Glycosidic bond

(c) Peptide bond

(d) Coordinate bond

Answer: (c) Peptide bond

07 00 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 11

Ques. With which of the following reagent both glucose and fructose produce the same product?

(a) Bromine water

(b) Hydroxylamine

(c) Phenyl hydrazine

(d) Conc. HNO₃

Answer: (c) Phenyl hydrazine.

06 00 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 10

Ques. Which of the following combinations is INCORRECT regarding order and molecularity of a hypothetical reaction?

(a) order = 2, molecularity = 1

(b) order = 3/2, molecularity 2

(c) order =1 molecularity =2

(d) order = ½ molecularity = 3/2

Answer: (d) order = 1/2, molecularity = 3/2.

05 00 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 9

Ques. If Sodium nitrate is completely dissociated into cations and anions in aqueous solution, the change in freezing point of water (∆Tf), when 0.05 mol of sodium nitrate is dissolved in 1 kg of water, is: (K_f = 1.86 K kg mol^-1 )

(a) 0.1860

(b) 1.860

(c) 0.0186

(d) 0.279

The correct answer is (a) 0.1860.

04 00 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 8

Ques. When the molality of the dilute solution is multiplied by four, what will be the resulting effect on the molal depression constant (K_f)?

(a) Four times

(b) Unchanged

(c) Halved

(d) Eight times

Answer: (b) Unchanged.

03 00 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 7

Ques. Depression in freezing point is a colligative property. At the same concentration in aqueous solution, select the solution that will show the largest freezing point depression.

(a) Na₃PO₄

(b) C₁₂H₂₂O₁₁

(c) NaCl

(d) K₂SO₄

Answer: (a) Na₃PO₄

02 00 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 6

Which of the following is most basic?

(a) Aniline

(b) Ethylamine

(c) Ammonia

(d) Benzylamine

Answer: (b) Ethylamine

01 00 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 5

Ques. Secondary amines can be prepared by reduction. Identify the compound that will form a secondary amine on reaction with LiAlH₄?

(a) Methyl cyanide

(b) Methyl isocyanide

(c) Acetamide

(d) Nitroethane

Answer: (b) Methyl isocyanide

12 00 AM IST - 22 Feb'26

ISC Chemistry Exam 2026: Sample Question 4

Ques. An element [X] has an outer electronic configuration as 3d⁵ 4s². The maximum oxidation state and most common oxidising state of the element will be:

(a) +5, +3

(b) +2, +2

(c) +7, +3

(d) +7, +2

Answer: (d) +7, +2

11 00 PM IST - 21 Feb'26

ISC Chemistry Exam 2026: Sample Question 3

For the reaction:

What are X and R, respectively, in the given reaction?

(a) X: Acetaldehyde R: methyl

(b) X: Formaldehyde R: methyl

(c) X: Acetaldehyde R: ethyl

(d) X: Formaldehyde R: ethyl

Answer: (b) X: Formaldehyde; R: methyl 

10 30 PM IST - 21 Feb'26

ISC Chemistry Exam 2026: Sample Question 2

Ques. The correct order of acidic strength among the following organic compounds is:

(a) Z > X > Y

(b) Y > X > Z

(c) Z> Y > X

(d) X > Z > Y

Answer. The correct answer is (a) Z > X > Y.

10 00 PM IST - 21 Feb'26

ISC Chemistry Exam 2026: Sample Question 1

Ques. Which of the following reactions will NOT form an ether through Williamson's synthesis?

I: C₂H₅ONa + CH₃Br →

II: C₆H₅Cl + C₂H₅ONa→

III: C₆H₅ONa + CH₃I →

IV: C₂H₅ONa + (CH₃)₃C—Br →

(a) I and III

(b) II and III

(c) III and IV

(d) II and IV

Answer: (d) II and IV.

09 30 PM IST - 21 Feb'26

What are the Important formulas from Inorganic Chemistry?

Where n is the number of unpaired electrons. 

08 20 PM IST - 21 Feb'26

What are the Important formulas from Solutions?

08 00 PM IST - 21 Feb'26

What are the importance of Solving Mock Tests before Appearing for ISC Chemistry Exam 2026?

• Learning regarding the selection of questions and mental outlining
• Perfect time management
• Identify the weak areas and work on them
• Refine the answer presentation

07 40 PM IST - 21 Feb'26

ISC Chemistry 2026 Exam: Final Revision Checklist

• Formula Sheet: Candidates should read all the formulas again high weightage topics such as Solutions, Electrochemistry, and Kinetics
• IUPAC Rules: Keep checking the Coordination Compound Naming
• Name Reaction Chart: For one last time, check Revise Aldol, Cannizzaro, and Reimer-Tiemann
• VBT & CFT: Practice the drawing of d-orbital splitting for Octahedral complexes

07 20 PM IST - 21 Feb'26

What are the Big-Three High Yield Focus for ISC Chemistry 2026 Exam?

07 00 PM IST - 21 Feb'26

ISC Chemistry Past Three Years' Exam Analysis and Expected Difficulty Level Assumption

Based on the above analysis, it is assumed that the expected difficulty level for ISC 12th Chemistry 2026 exam will likely be moderate. 

06 40 PM IST - 21 Feb'26

You said What are the scoring topics from ISC Chemistry exam 2026?

Candidates should prioritize the four chapters, such as Biomolecules, Coordination Compounds, Chemical Kinetics, and Organic Chemical Tests, to score high. Solving these four chapters is helpful to secure 20 to 25 marks. 

06 20 PM IST - 21 Feb'26

Was there any out of syllabus questions asked in last year's ISC 12th Chemistry exam?

Based on the teachers' and students feeback, there were no instances of asking out-of-syllabus questions in the ISC Chemistry 2025 exam.  Following the CISCE curriculum, the question paper was set, and the same was considered as the overall paper was fair and balanced. 

06 00 PM IST - 21 Feb'26

ISC 12th Chemistry Exam Analysis of Last Year

05 40 PM IST - 21 Feb'26

What are the Common Pitfalls to Avoid during ISC Chemistry 2026 Exam Last Minute Preparation?

• Candidates should not waste much time revising the chapters like Biomolecules and Polymers. A quick one-hour read is more than enough to secure 6 to 8 easy questions.
• Make sure that the candidates are not stucking to solve one complex numerical for 20 minutes. If the calculations seem tough or messy, then they should move on to the next question.
• Do not provide any vague or generic reason for answering the "Give Reasons" questions. Instead, try to use a specific electronic or structural reason. 

05 20 PM IST - 21 Feb'26

What are the priority topics from Inorganic Chemistry for ISC 12th exam 2026?

05 00 PM IST - 21 Feb'26

What are the priority topics from Physical Chemistry for ISC 12th exam 2026?

04 40 PM IST - 21 Feb'26

What are the priority topics from Organic Chemistry for ISC 12th exam 2026?

• Name Reactions: Aldol Condensation, Cannizzaro, Reimer-Tiemann, Rosenmund Reduction, and Hoffmann Bromamide Degradation
• Conversions: Practice the "Roadmap" questions as much as possible, and your focus should also be on increasing/ decreasing the carbon chain lengths
• Prioritize the Functional Groups: Tollens’/Fehling's (Aldehydes), Lodoform (Methyl ketones), and Carbylamine (Primary amines).

04 20 PM IST - 21 Feb'26

Quick Revision Checklist in Golden Hour

04 00 PM IST - 21 Feb'26

What is the Branch-Wise Marks Distribution?