Which of the following compounds is obtained when acyl chloride is hydrolysed with water?

How many of the following compounds react with $NaHCO_3$ to evolve $CO_2$ gas?
$I$: $3$-Nitrophenol
$II$: $2,4$-Dinitrophenol
$III$: $4$-Hydroxybenzoic acid
$IV$: $4$-Methylbenzoic acid
$V$: $4$-Chlorophenol
$VI$: $2,4$-Dinitrotoluene
$VII$: $4$-Hydroxybenzenesulfonic acid
$VIII$: $4$-Sulfobenzoic acid
$IX$: Squaric acid
$X$: Maleic acid

Which of the following pairs of reagents is used for the conversion of a carboxylic acid to a primary alcohol?

Predict $A$ and $B$ in the following reaction sequence:

The reaction of benzoyl chloride with hydroxylamine $(NH_2OH)$ gives a product. Identify the product.

In which of the following reactions will cyanide be obtained as the major product?