Considering the above reactions, the compound '$\mathrm{A}$' and compound '$\mathrm{B}$' respectively are

Compound '$\mathrm{A}$' undergoes following sequence of reactions to give compound '$\mathrm{B}$'. The correct structure and chirality of compound '$\mathrm{B}$' is [where $\mathrm{Et}$ is $-{\mathrm{C}}_2{\mathrm{H}}_5$]

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Compound '$\mathrm{A}$'

Assertion A: Hydrolysis of an alkyl chloride is a slow reaction but in the presence of $\mathrm{NaI}$, the rate of hydrolysis increases.

Reason R: ${\mathrm{I}}^{-}$ is a good nucleophile as well as a good leaving group.

In the light of the above statements, choose the correct answer from the options given below.

Number of moles of $\mathrm{AgCl}$ formed in the following reaction is _____ .

Identify the correct order for the given property for following compounds

Choose the correct answer from the option given below :-