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Hydrocarbons

JEE Main 2025 (Online) 23rd January Evening ShiftMatchingHard📈 Topic in 27% papers+4−1
Ques. 1JEE Main 2025, 23 January (Evening Shift)

Match 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-I, B-IV, C-III, D-II
  3. A-III, B-II, C-I, D-IV
  4. A-II, B-II, C-I, D-IV

Answer

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

Solution

Reductive ozonolysis cuts every C=C: =CH– ends give –CHO, =C(R)– ends give ketones.

[figure]

[figure]

[figure]

[figure]

∴ A-III, B-IV, C-I, D-II

Answer: (1)

Keep practising — Hydrocarbons

Ques. 2JEE Main 2025, 23 January (Evening Shift)

A compound ' X ' absorbs 2 moles of hydrogen and ' X ' upon oxidation with KMnO4 | H+ gives [figure] The total number of bonds present in the compound ' X ' is .

Ques. 3JEE Main 2025, 22 January (Morning Shift)

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

  1. Both Statement I and Statement II are incorrect
  2. Statement I is incorrect but Statement II is correct
  3. Both Statement I and Statement II are correct
  4. Statement I is correct but Statement II is incorrect
Ques. 4JEE Main 2025, 22 January (Evening Shift)

When sec-butylcyclohexane reacts with bromine in the presence of sunlight, the major product is :

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 5JEE Main 2025, 22 January (Evening Shift)

The compound with molecular formula C6H6, which gives only one monobromo derivative and takes up four moles of hydrogen per mole for complete hydrogenation has electrons.

Ques. 6JEE Main 2024, 9 April (Evening Shift)

The incorrect statement regarding ethyne is

  1. The carbon-carbon bond in ethyne is weaker than that in ethene
  2. Both carbons are sp hybridised
  3. The C-C bond in ethyne is shorter than that in ethene
  4. Ethyne is linear
Ques. 7JEE Main 2024, 9 April (Evening Shift)

Number of compounds from the following which cannot undergo Friedel-Crafts reactions is: toluene, nitrobenzene, xylene, cumene, aniline, chlorobenzene, m-nitroaniline, m-dinitrobenzene

Ques. 8JEE Main 2024, 6 April (Morning Shift)

The major product of the following reaction is P. CH3C C - CH3 [ (ii) dil. KMnO4 \ 273 K](i) Na/liq. NH3 'P' Number of oxygen atoms present in product 'P' is . (nearest integer)

Ques. 9JEE Main 2024, 5 April (Morning Shift)

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

  1. Both Statement I and Statement II are incorrect
  2. Statement I is correct but Statement II is incorrect
  3. Statement I is incorrect but Statement II is correct
  4. Both Statement I and Statement II are correct
Ques. 10JEE Main 2024, 5 April (Evening Shift)

Consider the given chemical reaction : [figure] Product "A" is :

  1. picric acid
  2. oxalic acid
  3. adipic acid
  4. acetic acid
Ques. 11JEE Main 2024, 1 February (Morning Shift)

Which of the following compound will most easily be attacked by an electrophile?

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]

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