In the given reaction

(Where Et is $-{\mathrm{C}}_2{\mathrm{H}}_5$)

The number of chiral carbon/s in product $\mathrm{A}$ is

What is the major product of the following reaction?

The products formed in the following reaction, $\mathrm{A}$ and $\mathrm{B}$ are

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Which reactant will give the following alcohol on reaction with one mole of phenyl magnesium bromide $\left(\mathrm{PhMgBr}\right)$ followed by acidic hydrolysis?

Consider the above reaction and predict the major product.

The structure of $\mathrm{A}$ in the given reaction is

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Match List-I with List-II.

Choose the correct answer from the options given below