Hydrocarbons

Which of the following compound gives pink colour on reaction with phthalic anhydride in conc.$H_{2}SO_{4}$followed by treatment with$NaOH$?

Natural rubber on complete ozonolysis ($\text{O}_3$/Zn-$\text{H}_2\text{O}$) gives compound $\textbf{X}$ as the major product. $\textbf{X}$ gives positive iodoform and Tollen's tests. $\textbf{X}$ on heating with…

The List-II contains products obtained from the reaction of compounds in List-I with $\text{O}_3$/Zn-$\text{H}_2\text{O}$ followed by cyclization (via more stable enolate) in the presence of aqueous NaOH. Match each…

In the following reaction sequence, $\textbf{Q}$, $\textbf{R}$, $\textbf{S}$ and $\textbf{T}$ are the major products. The correct statement(s) about $\textbf{Q}$, $\textbf{R}$, $\textbf{S}$ and $\textbf{T}$ is(are)

The option(s) with correct sequence of reagents for the conversion of $\mathbf{P}$ to $\mathbf{Q}$ is(are) :

The reaction sequence(s) that would lead to $o$-xylene as the major product is(are)

In the following reactions The major compound Y is

The major product U in the following reactions is

In the following reactions, the product S is

In the following reaction, the major product is

Paragraph: Schemes $1$ and $2$ describe sequential transformation of alkynes $\mathbf{M}$ and $\mathbf{N}$. Consider only the major products formed in each step for both the schemes. Question: The correct statement with…

Paragraph: Schemes $1$ and $2$ describe sequential transformation of alkynes $\mathbf{M}$ and $\mathbf{N}$. Consider only the major products formed in each step for both the schemes. Question: The product $\mathbf{X}$ is