Hydrocarbons PYQs - Last 5 Years

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ChemistryOrganic Chemistry2022-2026

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Practice 90 JEE Main Chemistry questions from Hydrocarbons. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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Chemistry / Organic Chemistry

2022-2026

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90

Last 5 Years

2022-2026

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2017-2026

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90PYQs

MCQ78.9%

INTEGER21.1%

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#1 Medium70

#2 Easy16

#3 Hard4

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Last 5 Years Hydrocarbons Questions

Showing 40 of 90 filtered questions.

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

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

INTEGER+4 / -12024

The final product A formed in the following multistep reaction sequence is

Identify product A and product B :

The final product A, formed in the following reaction sequence is:

Acid D formed in above reaction is :

In the given reactions identify $A$ and $B$

Molar mass of the hydrocarbon (X) which on ozonolysis consumes one mole of \(\mathrm{O}_{3}\) per mole of \((\mathrm{X})\) and gives one mole each of ethanal and propanone is _________ \(\mathrm{g}~ \mathrm{mol}^{-1}\) (Molar mass of $$\mat...

INTEGER+4 / -12023

Number of bromo derivatives obtained on treating ethane with excess of \(\mathrm{Br}_{2}\) in diffused sunlight is ___________

INTEGER+4 / -12023

In the following reaction, 'B' is

Find out the major product from the following reaction.

Choose the correct set of reagents for the following conversion.
trans \(\left(\mathrm{Ph}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}\right) \rightarrow \operatorname{cis}\left(\mathrm{Ph}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{3}\right)\)

A hydrocarbon ' $\mathrm{X}$ ' with formula $\mathrm{C}_{6} \mathrm{H}_{8}$ uses two moles of $\mathrm{H}_{2}$ on catalytic hydrogenation of its one mole. On ozonolysis, ' $\mathrm{X}$ ' yields two moles of methane dicarbaldehyde. The hydro...

The major products 'A' and 'B', respectively, are

17 mg of a hydrocarbon (M.F. \(\mathrm{C_{10}H_{16}}\)) takes up 8.40 mL of the H\(_2\) gas measured at 0\(^\circ\)C and 760 mm of Hg. Ozonolysis of the same hydrocarbon yields

The number of double bond/s present in the hydrocarbon is ____...

INTEGER+4 / -12023

The one giving maximum number of isomeric alkenes on dehydrohalogenation reaction is (excluding rearrangement)

The correct sequence of reagents for the preparation of Q and R is :

In the following given reaction, 'A' is

Maximum number of isomeric monochloro derivatives which can be obtained from 2,2,5,5-tetramethylhexane by chlorination is _____________

INTEGER+4 / -12023

Find out the major products from the following reactions.

But-2-yne is reacted separately with one mole of Hydrogen as shown below :

A. A is more soluble than B.
B. The boiling point & melting point of A are higher and lower than B respectively.
C. A is more polar than B because dipole moment of ...

'\(\mathrm{X}\)' is :

The product formed in the following multistep reaction is :

For the given reaction

The total number of possible products formed by tertiary carbocation of A is ____________.

INTEGER+4 / -12023

In the above reaction, left hand side and right hand side rings are named as '\(\mathrm{A}\)' and 'B' respectively. They undergo ring expansion. The correct statement for this process is:

The number of possible isomeric products formed when 3-chloro-1-butene reacts with \(\mathrm{HCl}\) through carbocation formation is __________.

INTEGER+4 / -12023

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.

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

The major product formed in the following reaction is

Choose the correct answer from the options given below :

Two isomers 'A' and 'B' with molecular formula C4H8 give different products on oxidation with KMnO4 in acidic medium. Isomer 'A' on reaction with KMnO4/H+ results in effervescence of a gas and gives ketone. The compound 'A' is

Product 'A' of following sequence of reactions is

What will be the major product of following sequence of reactions?

The major product in the following reaction

\(\stackrel{\bullet}{\mathrm{Cl}}+\mathrm{CH}_{4} \rightarrow \mathrm{A}+\mathrm{B}\)
A and B in the above atmospheric reaction step are :

The product formed in the following reaction.

A compound ‘\(\mathrm{A}\)’ on reaction with ‘\(\mathrm{X}\)’ and ‘\(\mathrm{Y}\)’ produces the same major product but different by product '\(a\)' and '\(b^{\prime}\). Oxidation of '\(a\)' gives a substance produced by ants.

'X' and 'Y' r...

Major product of the following reaction is

The major product 'A' of the following given reaction has _____________ sp2 hybridized carbon atoms.

INTEGER+4 / -12022

Which of the following reagents / reactions will convert 'A' to 'B' ?

Given below are two statements :
Statement I : The presence of weaker \(\pi\)-bonds make alkenes less stable than alkanes.
Statement II : The strength of the double bond is greater than that of carbon-carbon single bond.
In the light of the...