Which of the following has a fruity odour?

Acetonitrile $\underset{{\mathrm{H}}_{\mathrm{2}}\mathrm{O}}{\overset{{\mathrm{H}}^{\mathrm{+}}}{\to }}\mathrm{A} \underset{-{\mathrm{H}}_{\mathrm{2}}\mathrm{O}}{\to }\mathrm{B}$. $\text{'}\mathrm{B}\text{'}$ is _______.

In the reaction:

${\mathrm{CH}}_{\mathrm{3}}\mathrm{COOH} \stackrel{{\mathrm{LiAlH}}_{\mathrm{4}}}{\to }\mathrm{A} \stackrel{{\mathrm{PCl}}_{\mathrm{5}}}{\to }\mathrm{B} \stackrel{\mathrm{Alcoholic} \mathrm{KOH}}{\to }\mathrm{C},$

The product $\text{'}\mathrm{C}\text{'}$ will be?

Identify the compound $\text{'}\mathrm{D}\text{'}$ in the above mentioned series of reactions.

The product $\text{'}\mathrm{D}\text{'}$ in the following reaction is _______.

${\mathrm{CH}}_{\mathrm{3}} \mathrm{Cl}\stackrel{\mathrm{KCN}}{\to }(\mathrm{A}) \stackrel{{\mathrm{H}}_{\mathrm{2}}\mathrm{O}}{\to } (\mathrm{B}) \stackrel{{\mathrm{NH}}_{\mathrm{3}}}{\to } (\mathrm{C}) \stackrel{\mathrm{\Delta }}{\to }(\mathrm{D})$

The CORRECT sequence of reagents for the following conversion will be ______.

Acetic acid is manufactured by the fermentation of ________.

Sodium phenoxide when heated with ${\text{CO}}_{\text{2}}$ under pressure at $125°\mathrm{C}$ yields a product which on acetylation produces $\mathrm{C}$.

The major product $\mathrm{C}$ would be ______.

The distinguishing test between methanoic acid and ethanoic acid is _______.