JEE Mains JEE Advance BITSAT
JEE Mains | PYQ

Year

All years 2026 2025 2024 2023 2022 2021

The incorrect statement regarding ethyne is

\( 3 \)-Methylhex-\( 2 \)-ene on reaction with HBr in presence of peroxide forms an addition product \( (A) \). The number of possible stereoisomers for ‘A’ is ________.

Number of alkanes obtained on electrolysis of a mixture of \( \text{CH}_3\text{COONa} \) and \( \text{C}_2\text{H}_5\text{COONa} \) is ________.

Identify the product A and product B in the following set of reactions.

Identify A and B in the following sequence of reaction:

Which of the following are aromatic?

Consider the given chemical reaction:

Product “A” is:

The product in the following sequence of reactions has _____ \( \pi \) bonds.

The major product of the following reaction is \( P \).

Number of oxygen atoms present in product 'P' is__________. (nearest integer)

Identify major product ‘P’ formed in the following reaction.

Product P is:

Compound A formed in the following reaction reacts with B gives the product C. Find out A and B.

Products \( A \) and \( B \) formed in the following set of reactions are

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

Consider the given reaction. The total number of oxygen atom/s present per molecule of the product \( (P) \) is __________.

Total number of deactivating groups in aromatic electrophilic substitution reaction among the following is _______.

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Cis form of alkene is found to be more polar than the trans form.
Reason (R): Dipole moment of trans isomers of \( 2 \)-butene is \( 0 \).
In the light of the above statements, choose the correct answer from the options given below:

What is the structure of \( C \)?

Among the following, total number of meta directing functional groups is __________.
(Integer based)
–OCH\(_3\), –NO\(_2\), –CN, –CH\(_3\), –NHCOCH\(_3\), –COR, –OH, –COOH, –Cl

The major products from the following reaction sequence are product \( \mathrm{A} \) and product \( \mathrm{B} \)

The total sum of \( \pi \) electrons in product \( \mathrm{A} \) and product \( \mathrm{B} \) are ______ (nearest integer)

Major product of the following reaction is:

Identify product \( A \) and product \( B \):

← PreviousQuestion 3 of 22Next →

JEE Main 2024 31st Jan Morning Shift

Number of alkanes obtained on electrolysis of a mixture of \( \text{CH}_3\text{COONa} \) and \( \text{C}_2\text{H}_5\text{COONa} \) is ________.