Preparation of Carboxylic Acids

Identify compound $\mathrm{Y}$ in the following sequence of reactions:

 $\text{'}\mathrm{A}\text{'}$ is

$\mathrm{D}-(+)-$Glyceraldehyde$\underset{\underset{\mathrm{iii}){\mathrm{HNO}}_3}{\mathrm{ii}){\mathrm{H}}_2\mathrm{O}/{\mathrm{H}}^{+}}}{\overset{\mathrm{i})\mathrm{HCN}}{\to }}$

The products formed in the above reaction are

The major product '$\mathrm{P}$' formed in the given reaction is

Which of the following reaction does not yield amine?

$\mathrm{n}$-Propanol on treatment with concentrated $\mathrm{HBr}$ gives $\mathrm{P}$. The product $\mathrm{P}$ on reaction with $\mathrm{KCN}$ gave the product $\mathrm{Q}$. The product $\mathrm{Q}$ on heating with aqueous acidic solution, furnished the product $\mathrm{R}$. The product '$\mathrm{R}$' is

Arrange the following in the decreasing order of ease of hydrolysis.

$\begin{array}{cccc}{\mathrm{CH}}_3{\mathrm{COOC}}_2{\mathrm{H}}_5& {\mathrm{CH}}_3\mathrm{COCl}& {\left({\mathrm{CH}}_3\mathrm{CO}\right)}_2\mathrm{O}& {\mathrm{CH}}_3{\mathrm{CONH}}_2\\ \left(\mathrm{I}\right)& \left(\mathrm{II}\right)& \left(\mathrm{III}\right)& \left(\mathrm{IV}\right)\end{array}$

Identify the major product $\left(\mathrm{Y}\right)$ from the following reaction

The correct order of their reactivity towards hydrolysis at room temperature is :

 Degree of unsaturation in compound $\mathrm{Z}$ is

When ethyl butanoate undergo reaction with $\mathrm{NaOH}$ and ${\mathrm{H}}_3{\mathrm{O}}^{+}$ then out of ethyl and butyl group which forms acid and why?

${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2-\mathrm{MgBr}\frac{\left(1\right){\mathrm{CO}}_2 /\mathrm{ether} }{\left(2\right){\mathrm{H}}_3{\mathrm{O}}^{+}}{}^{\text{'}}\mathrm{X}^{\text{'}}\frac{\mathrm{NaOH}+\mathrm{CaO}}{\mathrm{\Delta }}{ }^{\text{'}}{\mathrm{Y}}^{\text{'}}$

What is the final product in this reaction?

The base catalysed hydrolysis of amides give

Cyclohexene on heating with ${\mathrm{KMnO}}_4-{\mathrm{H}}_2{\mathrm{SO}}_4$ gives

The major product formed by reaction of $4$-methylacetophenone with alkaline ${\mathrm{KMnO}}_4$ followed by acidification is

The major product formed in the following reaction is

Which of the following reagent is not useful for direct oxidation of toluene to benzaldehyde?

The refluxing of ${\left(\mathrm{C}{\mathrm{H}}_3\right)}_2\mathrm{N}\mathrm{C}\mathrm{O}\mathrm{C}{\mathrm{H}}_3$ with acid gives

The compound B is