Chemistry MCQs for NEET — Practice Questions with Answers

The product formed during the reaction,

$\mathrm{CH}\equiv \mathrm{CH}+\mathrm{NaOCl}\stackrel{0°\mathrm{C}}{\to }\mathrm{is}:$

Identify Z in the following series,

${\mathrm{CH}}_2={\mathrm{CH}}_2 \stackrel{\mathrm{HBr}}{\to } X \stackrel{\mathrm{Hydrolysis}}{\to } Y \underset{{\mathrm{I}}_2 \mathrm{excess}}{\overset{{\mathrm{Na}}_2{\mathrm{CO}}_3}{\to }} Z :$

Methane reacts with conc. HNO₃ at high temperature to yield:

Ozonolysis of propyne gives:

Propyne on oxidation with SeO₂ gives:

When an alcoholic solution of ethylene dibromide is heated with granulated zinc, the compound formed is:

Acetylene and HCHO react in presence of copper acetylide catalyst to form:

Which of the following reagents would distinguish cis-cyclopenta-1, 2-diol from the trans-isomer?

In following reaction, find out X and Y.

$$\begin{gathered} \mathrm{In} \mathrm{the} \mathrm{reaction}, \\ \mathrm{H}-\mathrm{C}\equiv \mathrm{C}-\mathrm{H} \underset{\left(\mathrm{ii}\right){\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}}{\overset{\left(\mathrm{I}\right){\mathrm{NaNH}}_2/\mathrm{liq}.{\mathrm{NH}}_3}{\to }}\mathrm{X} \\ \mathrm{X}\underset{\left(\mathrm{ii}\right){\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}}{\overset{\left(\mathrm{i}\right){\mathrm{NaNH}}_2/\mathrm{liq}.{\mathrm{NH}}_3}{\to }}{\mathrm{Y}}_{}^{} \end{gathered}$$

Which of the following will not be soluble in sodium hydrogen carbonate?