NEET Aliphatic Hydrocarbon Practice Questions With Solutions

NEET Chemistry Aliphatic Hydrocarbon Practice Questions

Biology Physics

Question 1.

Which one of the following compounds can exist as cis-trans isomers?

A1, 1-Dimethycyclopropane

B1, 2-Dimethylcyclohexane

CPent-1-ene

D2-Methylhex-2-ene

Question 2.

Determine the IUPAC name of the compound with the molecular formula C₆H₁₄ that contains two tertiary carbon atoms.

A2-Methyl pentane

B2, 3-Dimethylbutane

C2, 2-Dimethylbutane

Dn-Hexane

Question 3.

Arrange the following compounds in increasing order of their solubilities in chloroform: \(\mathrm{NaCl, CH_3 OH, cyclohexane(\mathrm{C}_6 \mathrm{H}_{12}), CH_3CN}\)

A\(\mathrm{NaCl< CH_3CN<CH_3 OH<Cyclohexane}\)

B\(\mathrm{CH_3 OH<CH_3CN<NaCl<Cyclohexane}\)

C\(\mathrm{NaCl< CH_3 OH<CH_3CN<Cyclohexane}\)

D\(\mathrm{Cyclohexane< CH_3CN<CH_3 OH<NaCl}\)

Question 4.

Which amongst the following compounds will show geometrical isomerism?

APent-1-ene

B2,3-Dimethylbut-2-ene

C2-Methylprop-1-ene

D3,4-Dimethylhex-3-ene

Question 5.

What is the correct order of boiling points for the following compounds, arranged from the highest to the lowest? (a) Heptane (b) Butane (c) 2-Methylbutane (d) 2-Methylpropane (e) Hexane Choose the correct option from the following:

A(a) > (c) > (e) > (d) > (b)

B(c) > (d) > (a) > (e) > (b)

C(a) > (e) > (b) > (c) > (d)

D(a) > (e) > (c) > (b) > (d)

Question 6.

The major product of the following chemical reaction is:

A

B

C

D

Question 7.

The dihedral angle of the least stable conformer of ethane is:

A60°

B0°

C120°

D180°

Question 8.

Which of the following alkane cannot be made in good yield by Wurtz reaction?

A2,3-Dimethylbutane

Bn-Heptane

Cn-Butane

Dn-Hexane

Question 9.

Which of the following statement(s) is/are correct about the elimination reaction of 2-Bromopentane to form pent-2-ene:
(a)

β

-Elimination reaction
(b) Follows Zaitsev rule
(c) Dehydrohalogenation reaction
(d) Dehydration reaction

A(a), (c), (d)

B(b), (c), (d)

C(a), (b), (d)

D(a), (b), (c)

Question 10.

Which of the following is a free radical substitution reaction?

ABenzene with Br₂/AlCl₃

BAcetylene with HBr

CMethane with Br₂/hv

DPropene with HBr/(C₆H₅COO)₂

Question 1.

An alkene "A" on reaction with

O_{3}

and

Zn - H_{2} O

gives propanone and ethanal in equimolar ratio. The addition of HCl to alkene "A" gives "B" as the major product. The structure of product "B" is:

A

B

C

D

Question 2.

The most suitable reagent for the following conversion is-

AHg²⁺/ H⁺, H₂O

BNa/liquid NH₃

CH₂, Pd/C, quinoline

DZn/HCl

Question 3.

Which of the following compounds shall not produce propene by reaction with HBr followed by elimination or direct only elimination reaction?

A

B

C

D

Question 4.

The correct statement regarding the comparison of staggered and eclipsed conformations of ethane is:

AThe eclipsed conformation of ethane is more stable than staggered conformation because eclipsed conformation has no torsional strain.

BThe eclipsed conformation of ethane is more stable than staggered conformation even though the eclipsed conformation has a torsional strain.

CThe staggered conformation of ethane is more stable than eclipsed conformation because staggered conformation has no torsional strain.

DThe staggered conformation of ethane is less stable than eclipsed conformation because staggered conformation has a torsional strain.

Question 5.

Which of the following organic compounds has same hybridization as its combustion product –(CO₂)?

AEthane

BEthyne

CEthene

DEthanol

Question 6.

The isobutyl group among the following is:

A

BCH₃–CH₂–CH₂–CH₂–

C

D

Question 7.

The incorrect IUPAC name among the following is:

A

B

C

D

Question 8.

The linear molecules among the following is:

A

{CH}_{3} - C \equiv C - {CH}_{3}

B

{CH}_{2} = CH - {CH}_{2} - C \equiv CH

C

{CH}_{3} - {CH}_{2} - {CH}_{2} - {CH}_{3}

D

{CH}_{3} - CH = CH - {CH}_{3}

NEET Aliphatic Hydrocarbon Practice Questions With Solutions

NEET Chemistry Aliphatic Hydrocarbon Practice Questions

Question 1.

Question 2.

Question 3.

Question 4.

Question 5.

Question 6.

Question 7.

Question 8.

Question 9.

Question 10.

Question 1.

Question 2.

Question 3.

Question 4.

Question 5.

Question 6.

Question 7.

Question 8.

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