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Haloalkanes and Haloarenes

JEE Main 2024 (Online) 27th January Evening ShiftMCQMedium📈 Topic in 31% papers+4−1
Ques. 1JEE Main 2024, 27 January (Evening Shift)

Which among the following halide/s will not show SN1 reaction: Choose the most appropriate answer from the options given below :

  1. (B) and (C) only
  2. (A), (B) and (D) only
  3. (B) only
  4. (A) and (B) only

Answer

(3) (B) only

Solution

SN1 needs a stable carbocation after loss of Cl-:

(A): allyl cation CH2=CH- CH2 CH2-CH=CH2 (resonance) ⇒ (A) shows SN1

(B): vinyl cation CH3-CH= CH is very unstable, and C–Cl has partial double-bond character ⇒ (B) does not show SN1

(C): benzyl cation C6H5 CH2 is resonance-stabilised ⇒ (C) shows SN1

(D): 2° cation (CH3)2 CH (hyperconjugation) ⇒ (D) shows SN1

∴ (B) only

Answer: (3)

Keep practising — Haloalkanes and Haloarenes

Ques. 2JEE Main 2026, 8 April (Evening 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. 3JEE 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
Ques. 4JEE 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. 5JEE 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. 6JEE 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. 7JEE 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. 8JEE Main 2026, 28 January (Evening Shift)

Which of the following reactions is NOT correctly represented?

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 9JEE 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. 10JEE 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. 11JEE 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

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All JEE Main Chemistry chapters
Physical ChemistrySome Basic Concepts of ChemistryStructure of AtomStates of MatterThermodynamicsEquilibriumRedox ReactionsSolid StateSolutionsElectrochemistryChemical Kinetics
Inorganic ChemistryClassification of Elements and Periodicity in PropertiesChemical Bonding and Molecular Structures-Block Elementsp-Block Elements (Group 13 & 14)Environmental ChemistryGeneral Principles of Isolation of Elementsp-Block Elements (Group 15–18)d- and f-Block ElementsCoordination Compounds
Organic ChemistryOrganic Chemistry – Some Basic Principles and TechniquesIsomerismHydrocarbonsHaloalkanes and HaloarenesAlcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAminesBiomoleculesPrinciples Related to Practical Chemistry