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.

Select the reaction type for the above reactions:

	(i)	(ii)	(iii)
1.	Elimination	Substitution	Addition
2.	Elimination	Substitution	Substitution
3.	Substitution	Addition	Addition
4.	Elimination	Elimination	Addition

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

Which compound in each of the following pairs will react faster in an \(S_N 2\) reaction with the −OH group?

 (i) \(\mathrm{CH}_3 \mathrm{Br}\) or \(\mathrm{CH}_3 \mathrm{I}\)
(ii) \(\left(\mathrm{CH}_3\right)_3 \mathrm{CCl}\) or \(\mathrm{CH}_3 \mathrm{Cl}\)

Mark the correct option:
1.  (i) \(\mathrm{CH}_3 \mathrm{Br}\) and (ii) \(\left(\mathrm{CH}_3\right)_3 \mathrm{CCl}\)
2.  (i) \(\mathrm{CH}_3 \mathrm{I}\) and (ii) \(\mathrm{CH}_3 \mathrm{Cl}\)
3.  (i) \(\mathrm{CH}_3 \mathrm{Br}\) and (ii) \(\mathrm{CH}_3 \mathrm{Cl}\)
4.  (i)\(\mathrm{CH}_3 \mathrm{I}\)and (ii) \(\left(\mathrm{CH}_3\right)_3 \mathrm{CCl}\)

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)