Nucleophilic addition

The number of stereoisomers formed in a reaction of (±)Ph(C=O)C(OH)(CN)Ph with HCN is _______.

[where Ph is −C$_6$H$_5$]

In the reaction given below, the total number of atoms having $sp^2$ hybridization in the major product $\mathbf P$ is ____.

Choose the correct option(s) for the following set of reactions

The correct sequence of reagents for the following conversion will be :

In the following reaction sequence :
$$\underset{(\ce{C3H6Cl2})}{\text{I}}\ce{->[KOH(aq)]}\text{II}\xrightarrow[\text{(ii) }\ce{H2O/H+}]{\text{(i) }\ce{CH3MgBr}}\text{III}\xrightarrow{\text{Anhy. }\ce{ZnCl2}\text{ + Con. HCl}}\text{gives turbidity immediately}$$
The compound I is :

In the following reactions, the product S is

The major compound Y is

The major product in the following reaction is

An organic compound A, $\ce{C5H8O}$; reacts with $\ce{H2O}$, $\ce{NH3}$ and $\ce{CH3COOH}$ as described below :

• with $\ce{H2O}$: $\sim\ce{CH-C(=O)-OH}$
• with $\ce{NH3}$: $\sim\ce{CH-C(=O)-NH2}$
• with $\ce{CH3COOH}$: $\sim\ce{CH-C(=O)-O-C(=O)-CH3}$

A is :

The major product H of the given reaction sequence is
$$\ce{CH3-CH2-CO-CH3 ->[CN^-] G ->[95\%\ H2SO4][Heat] H}$$

The major product of the following reaction is

The compound S is

The structure of the carbonyl compound P is

Match each of the compounds given in Column I with the reaction(s), that they can undergo, given in Column II.

Compound H is formed by the reaction of

Match the compounds/ions in Column I with their properties/reactions in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 × 4 matrix given in the ORS.