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Haloalkanes and Haloarenes

JEE Main 2026 (Online) 6th April Morning ShiftMCQMedium📈 Topic in 10% papers+4−1
Ques. 1JEE Main 2026, 6 April (Morning Shift)

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :

  1. Both Statement I and Statement II are true
  2. Both Statement I and Statement II are false
  3. Statement I is true but Statement II is false
  4. Statement I is false but Statement II is true

Answer

(3) Statement I is true but Statement II is false

Solution

Statement I:

C6H5-CH2-CH=CH2 + HBr C6H5-CH2-CHBr-CH3 (Markovnikov addition via the 2° carbocation)

The C–Br carbon carries four different groups (H, Br, CH3, CH2C6H5) ⇒ a secondary alkyl bromide with a chiral carbon

(even if a hydride shift gives the benzylic cation, the product C6H5-CHBr-CH2-CH3 is again a chiral 2° bromide) ⇒ Statement I is true.

Statement II:

Sandmeyer: ArN2+X- CuCl/HCl ArCl and ArN2+X- CuCN/KCN ArCN

Gattermann: ArN2+X- Cu/HCl ArCl (or Cu/HBr ⇒ ArBr) — aryl cyanides are not prepared this way

⇒ Statement II is false.

Answer: (3)

Keep practising — Haloalkanes and Haloarenes

Ques. 2JEE Main 2026, 5 April (Evening Shift)

RMgI when treated with ice cold water liberated a gas which occupied 1.4 dm3/g at STP. The gas produced is further reacted with iodine in presence of HIO3 to give compound (X). Compound (X) in presence of Na and dry ether produced compound (Y). Molar mass of compound (Y) is g mol-1. (Nearest integer)

Ques. 3JEE Main 2026, 4 April (Morning Shift)

Match the LIST-I with LIST-II Choose the correct answer from the options given below :

  1. A-I, B-IV, C-III, D-II
  2. A-III, B-I, C-IV, D-II
  3. A-IV, B-II, C-I, D-III
  4. A-I, B-III, C-II, D-IV
Ques. 4JEE Main 2026, 2 April (Morning Shift)

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :

  1. Both Statement I and Statement II are true
  2. Both Statement I and Statement II are false
  3. Statement I is true but Statement II is false
  4. Statement I is false but Statement II is true
Ques. 5JEE Main 2026, 2 April (Evening Shift)

Correct statements regarding alkyl halides (R–X) among the following are : Choose the correct answer from the options given below :

  1. A, B and C Only
  2. B and D Only
  3. A and E Only
  4. D and E Only
Ques. 6JEE Main 2026, 28 January (Evening Shift)

Which of the following reactions is NOT correctly represented?

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 7JEE Main 2026, 28 January (Evening Shift)

Identify the correct statements : The presence of -NO2 group in benzene ring Choose the correct answer from the options given below :

  1. A and D Only
  2. B and D Only
  3. C and A Only
  4. B and C Only
Ques. 8JEE Main 2026, 24 January (Morning Shift)

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below

  1. Statement I is false but Statement II is true
  2. Statement I is true but Statement II is false
  3. Both Statement I and Statement II are true
  4. Both Statement I and Statement II are false
Ques. 9JEE Main 2026, 24 January (Morning Shift)

Match the List-I with List-II Choose the correct answer from the options given below :

  1. A-III, B-IV, C-I, D-II
  2. A-IV, B-I, C-III, D-II
  3. A-III, B-IV, C-II, D-I
  4. A-I, B-II, C-IV, D-III
Ques. 10JEE Main 2026, 22 January (Morning Shift)

As compared with chlorocyclohexane, which of the following statements correctly apply to chlorobenzene? Choose the correct answer from the options given below :

  1. B, C and E Only
  2. A, C and E Only
  3. B, C and D Only
  4. A, D and E Only
Ques. 11JEE Main 2026, 22 January (Morning Shift)

The correct order of the rate of reaction of the following reactants with nucleophile by SN1 mechanism is : (Given : Structures I and II are rigid) [figure]

  1. I < II < III < IV
  2. II < I < III < IV
  3. III < I < II < IV
  4. IV < III < II < I

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