JEE Main Practical Organic Chemistry Practice Questions With Solutions

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JEE Main Practical Organic Chemistry Practice Questions with Solutions

Practical Organic Chemistry deals with experimental and applied aspects of organic chemistry. The JEE Main Practical Organic Chemistry Practice Test is a valuable resource for students to practise and strengthen the practical organic chemistry area for success in the JEE Main exam. The JEE Main Practical Organic Chemistry Practice Questions with Solutions contain a variety of questions and their solutions from this topic. Practical Organic Chemistry is an important topic from the Chemistry section of the JEE Main entrance exam. You may expect 5 to 8 questions appearing from this part in the Chemistry section of the JEE Main exam. So, it is advised for students to make a well-defined preparation strategy and practice as many questions as possible to obtain maximum scores from this part.. Students can take the JEE Main Practical Organic Chemistry practice test at their preferred time, after which they can examine their performance and focus on the areas that need improvement.

The types of questions asked in the exam from the practical organic chemistry chapter are usually multiple-choice types, assertion-reason types, and match-type questions. The important topics from this chapter include Functional Group Analysis, Element Detection, Preparation of Organic Compounds, Purification Techniques, Quantitative & Qualitative Analysis, Chromatography, and Titrimetric Exercises. The JEE Main Practical Organic Chemistry Practice Test usually contains 15 to 20 questions from all these topics. Practising the JEE Main Practical Organic Chemistry Practice Questions with Solutions on a regular basis will help students to recall important formulas and answer questions from organic chemistry easily. It will also improve the speed at which the candidates solve questions during the real examination. JEE Main aspirants must solve at least one practice test on practical organic chemistry every week. This allows students to develop their accuracy and time management skills over time and have an effective JEE Main exam preparation.

JEE Main Chemistry Practical Organic Chemistry Practice Questions

Mathematics Physics

Question 1.

Which of the following compound can give positive iodoform test when treated with aqueous $KOH$ solution followed by potassium hypoiodite.

JEE Main 2024 (Online) 9th April Evening Shift Chemistry - Practical Organic Chemistry Question 11 English Option 1

JEE Main 2024 (Online) 9th April Evening Shift Chemistry - Practical Organic Chemistry Question 11 English Option 2

JEE Main 2024 (Online) 9th April Evening Shift Chemistry - Practical Organic Chemistry Question 11 English Option 3

{CH}_{3} {CH}_{2} {CH}_{2} CHO

Question 2.

Match List I with List II

	LIST I (Test)		LIST II (Observation)
A.	${Br}_{2}$ water test	I.	Yellow orange or orange red precipitate formed
B.	Ceric ammonium nitrate test	II.	Reddish orange colour disappears
C.	Ferric chloride test	III.	Red colour appears
D.	2, 4 - DNP test	IV.	Blue, Green, Violet or Red colour appear

Choose the correct answer from the options given below:

A-II, B-III, C-IV, D-I

A-III, B-IV, C-I, D-II

A-I, B-II, C-III, D-IV

A-IV, B-I, C-II, D-III

Question 3.

Identify the incorrect statements regarding primary standard of titrimetric analysis.

(A) It should be purely available in dry form.

(B) It should not undergo chemical change in air.

(D) It should be readily soluble in water.

(E) ${KMnO}_{4}$ & $NaOH$ can be used as primary standard.

Choose the correct answer from the options given below :

(A) and (B) only

(B) and (E) only

Question 4.

Match List I with List II

	LIST I (Test)		LIST II (Identification)
A.	Bayer's test	I.	Phenol
B.	Ceric ammonium nitrate test	II.	Aldehyde
C.	Phthalein dye test	III.	Alcoholic-OH group
D.	Schiff's test	IV.	Unsaturation

Choose the correct answer from the options given below :

(A)-(IV), (B)-(I), (C)-(II), (D)-(III)

(A)-(III), (B)-(I), (C)-(IV), (D)-(II)

(A)-(II), (B)-(III), (C)-(IV), (D)-(I)

(A)-(IV), (B)-(III), (C)-(I), (D)-(II)

Question 5.

Match List I with List II

	LIST I (Name of the test)		LIST II (Reaction sequence involved) [M is metal]
A.	Borax bead test	I.	${MCO}_{3} \to MO \to_{+ Δ}^{Co {({NO}_{3})}_{2}} CoO \cdot MO$
B.	Charcoal cavity test	II.	${MCO}_{3} \to {MCl}_{2} \to M^{2 +}$
C.	Cobalt nitrate test	III.	${MSO}_{4} \to_{Δ}^{{Na}_{2} B_{4} O_{7}} M {({BO}_{2})}_{2} \to {MBO}_{2} \to M$
D.	Flame test	IV.	${MSO}_{4} \to_{Δ}^{{Na}_{2} {CO}_{3}} {MCO}_{3} \to MO \to M$

Choose the correct answer from the options given below:

A-III, B-I, C-IV, D-II

A-III, B-IV, C-I, D-II

A-III, B-II, C-IV, D-I

A-III, B-I, C-II, D-IV

Question 6.

During the detection of acidic radical present in a salt, a student gets a pale yellow precipitate soluble with difficulty in ${NH}_{4} OH$ solution when sodium carbonate extract was first acidified with dil. ${HNO}_{3}$ and then ${AgNO}_{3}$ solution was added. This indicates presence of :

I^{-}

{CO}_{3}^{2 -}

{Cl}^{-}

{Br}^{-}

Question 7.

The correct statement among the following, for a "chromatography" purification method is :

R_{f}

of a polar compound is smaller than that of a non-polar compound.

Non-polar compounds are retained at top and polar compounds come down in column chromatography.

Organic compounds run faster than solvent in the thin layer chromatographic plate.

R_{f}

is an integral value.

Question 8.

Match List I with List II

	LIST I (Precipitating reagent and conditions)		LIST II (Cation)
A.	${NH}_{4} Cl + {NH}_{4} OH$	I.	${Mn}^{2 +}$
B.	${NH}_{4} OH + {Na}_{2} {CO}_{3}$	II.	${Pb}^{2 +}$
C.	${NH}_{4} OH + {NH}_{4} Cl + H_{2} S gas$	III.	${Al}^{3 +}$
D.	dilute $HCl$	IV.	${Sr}^{2 +}$

Choose the correct answer from the options given below:

A-III, B-IV, C-I, D-II

A-III, B-IV, C-II, D-I

A-IV, B-III, C-II, D-I

A-IV, B-III, C-I, D-II

Question 9.

Which of the following statements are correct?

A. Glycerol is purified by vacuum distillation because it decomposes at its normal boiling point.

B. Aniline can be purified by steam distillation as aniline is miscible in water.

C. Ethanol can be separated from ethanol water mixture by azeotropic distillation because it forms azeotrope.

D. An organic compound is pure, if mixed M.P. is remained same.

Choose the most appropriate answer from the options given below :

A, C, D only

B, C, D only

A, B, D only

A, B, C only

Question 10.

In the precipitation of the iron group (III) in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to :

decrease concentration of

^{-} OH

ions

increase concentration of

{Cl}^{-}

ions

prevent interference by phosphate ions

increase concentration of

{NH}_{4}^{+}

ions