The compound which is not formed during the dry distillation of a mixture of calcium formate and calcium acetate is

To synthesise $1.0 \ mole$ of $2-$methylpropan$-2-$ol from ethyl ethanoate,how many equivalents of $CH_{3}MgBr$ reagent will be required? (Integer value)

Benzaldehyde can be formed by :-

Identify the name of the following reaction: $C_6H_5CH_3$ $\xrightarrow[CS_2]{CrO_2Cl_2} A$ $\xrightarrow{H_3O^+} C_6H_5CHO$

An organic compound $X$ gives a red precipitate on heating with Fehling's solution. Which one of the following reactions yields $X$ as a major product?

What is $A$ in the following reaction?
$CH_3-CH=CH-CH_2-CH_2-CN \xrightarrow[\text{2) } H_2O]{\text{1) } AlH(i-Bu)_2} (A)$