Embibe Experts Solutions for Chapter: Hydrocarbons, Exercise 2: Exercise-2

The total number of possible alkenes (including stereo isomers) produced by dehydrobromination of $3$-bromo-$3$-cyclopentylhexane using alcoholic $\mathrm{KOH}$ is/are?

Find the value of $\mathrm{x}+\mathrm{y}$.

How many reactions are correct?

(i) 

(ii) 

(iii) 

(iv) 

(v) 

Which of the following catalysts is/are used for partial reduction of alkyne?

The compound (F) is :

Identify $\mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D}$ and write the balanced chemical equation for the formation of $\mathrm{A}$ to $\mathrm{B}$ and $\mathrm{A}$ to $\mathrm{C}.$

The major product $\mathrm{U}$ in the following reactions is:

Aniline reacts with mixed acid (conc. ${\mathrm{HNO}}_3$ and conc. ${\mathrm{H}}_2{\mathrm{SO}}_4$) at $288 \mathrm{K}$ to give $\mathrm{P}(51\%), \mathrm{Q}(47\%)$ and $\mathrm{R}(2\%).$ The major product(s) of the following reaction sequence is (are):

$\mathrm{R}\underset{\begin{array}{c}\left(3\right) {\mathrm{H}}_3{\mathrm{O}}^{+}\\ \left(4\right) {\mathrm{NaNO}}_2\mathrm{HCl}/273-278\mathrm{K}\\ \left(5\right) \mathrm{EtOH},\mathrm{\Delta }\end{array}}{\overset{\begin{array}{c}\left(1\right) {\mathrm{Ac}}_2\mathrm{O}\text{ pyridine }\\ \left(2\right) {\mathrm{Br}}_2,{\mathrm{CH}}_3{\mathrm{CO}}_2\mathrm{H}\end{array}}{\to }}\mathrm{S}\underset{\begin{array}{c}\left(3\right) {\mathrm{NaNO}}_2,\mathrm{HCl}/273-278 \mathrm{K}\\ \left(4\right) {\mathrm{H}}_3{\mathrm{PO}}_2\end{array}}{\overset{\begin{array}{c}\left(1\right) \mathrm{Sn}/\mathrm{HCl}\\ \left(2\right) {\mathrm{Br}}_2/{\mathrm{H}}_2\mathrm{O}\end{array}}{\to }}\text{ major product(s) }$