Pinacol Pinacolone Rearrangement

Q. Consider following sequence of reactions.

Which of the following is/are correct?

1. P has $12\alpha H$
2. Q can be prepared by reaction of propyne with $H{g}^{2+}/H^{+}/H_{2}O$
3. 4 $H^{\prime }s$ can be replaced by reaction of ${}^{-}OD\left(\text{trace}\right)/D_{2}O\left(\text{excess}\right)$ with S
4. Q can be prepared by ozonolysis of 3-ethyl-2, 4-dimethylpenta-1, 4-diene

Q. In the reaction, $C_6{H}_{5}CHO+C_6{H}_{5}N{H}_2\to C_6{H}_{5}N=CH{C}_6{H}_5+H_{2}O$ the compound $\left(A\right)$ is known as:

1. Aldol
2. Schiff base
3. Schiff reagent
4. Benedict's reagent

Q. Consider the following reaction $R{O}^{-}N{a}^{+}{R}^{\prime }X\to R-O-R^{\prime }+NaX$. Which of the following statements is not correct?

1. The reaction proceeds through $S_{N}2$ mechanism.
2. The reaction is called Williamson's synthesis.
3. It is a nucleophilic substitution reaction.
4. The reaction is applicable to all types of alkyl halides.

Q. List-I contains questions related to the reaction sequence and List-II contains their answers.


Which of the following options has the correct combination considering List-I and List-II?

1. $III\to U;IV\to T$
2. $III\to U;IV\to X$
3. $III\to T;IV\to U$
4. $III\to X;IV\to T$