38 JEE Main 2021 Hydrocarbons previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2021 previous-year questions from the Hydrocarbons chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Hydrocarbons chapter hub.
The stereoisomers that are formed by electrophilic addition of bromine to trans - but - 2 - ene is/are :
Identify products A and B .
Consider the above chemical reaction. The total number of stereoisomers possible for Product "P" is _________
Consider the following chemical reaction. CH ≡ CH   1 )   Red   hot   Fe   tube , …
The number of sigma bonds in is _______.
The major product formed in the following reaction is:
consider the above reaction, and choose the correct statement:
In the following sequence of reactions, C 3 H 6 ⟶ H + / H 2 O A KIO dilKOH B + C . The compounds B and C respect…
In the following reaction, the reason why meta-nitro product also formed is:
Among the following compounds I - IV , which one forms a yellow precipitate on reacting sequentially with (i) NaOH (ii)…
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