Which of the following compounds reacts with methyl magnesium iodide to produce ethyl acetate?

In the reaction sequence:
$CH_3-CH(OH)-COOH$ $\xrightarrow{\Delta } [Y]$
$[Y]$ will be:

$N, N$-Dimethylacetamide is formed by the reaction of which of the following?

$A \xrightarrow{LiAlH_4} 2B$ (Chiral alcohol only); structure of $A$ is

Give the reaction for heating benzoic acid with soda lime,also known as the decarboxylation of benzoic acid.

Identify the product $B$ in the following series of reaction.
$CH_3COOH + CH_3CH_2OH \rightleftharpoons{H^{+}} CH_3COOCH_2CH_3{_{\text{(A)}}} \xrightarrow[Ni/Pd, \Delta]{H_2} CH_3CH_2OH + CH_3CH_2OH{_{\text{(B)}}}$