Which of the following biphenyls is optically active?

1.
2.
3.
4.

When hydrolyzed with aqueous KOH, compounds that undergoes racemization are:

(i)		(ii)	CH3CH2CH2Cl
(iii)		(iv)

The end product (C) in the below-mentioned reaction is:
\(H_3C-Br\xrightarrow{\bf KCN }A\xrightarrow{ \bf H_3O^+~~}B\xrightarrow[\bf\text{Ether}]{~~LiAlH_4~~}C\)

The correct order of increasing C-X bond reactivity toward nucleophiles among the following is:

I		II
III	\(\left(\mathrm{CH}_3\right)_3 \mathrm{C}-\mathrm{X}\)	IV	\(\left(\mathrm{CH}_3\right)_2 \mathrm{CH}-\mathrm{X}\)

Which of the following reactions cannot form new carbon-carbon bonds?

1. Reimer-Tiemann reaction

2. Cannizaro reaction

3. Wurtz reaction

4. Friedel-Crafts acylation

A few reactions are given below:

i.	\(\small{\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{Br}+\mathrm{KOH} \rightarrow \mathrm{CH}_3 \mathrm{CH}=\mathrm{CH}_2+\mathrm{KBr}+\mathrm{H}_2 \mathrm{O}}\)
ii.
iii.

Among the following, which hydrolysis reaction occurs at the slowest rate:

1.
2.
3.
4.

Given the following reaction:

The structure of the major product is:

1.
2.
3.
4.

Which of the following compounds are optically active?

(i). 

(ii). 

(iii). 

(iv). 

1. (i) & (ii)

2. (i) & (iii)

3. (ii) & (iii)

4. (i) & (iv)

$\stackrel{NaI/Acetone}{\to }Product$

Which of the following is not a product of the above reaction?

1. 

2. 

3. 

4.