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

Which of the following compounds undergoes nucleophilic substitution reaction most easily?

1.		2.
3.		4.

Consider the reactions:

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

For the following: 
(i) I^- 
(ii) Cl^- 
(iii) Br^- 
The increasing order of nucleophilicity would be:

1. I^-<Br^-<Cl^-

2. Cl^-<Br^-<I^- 

3. I^- <Cl^-<Br^-

4. Br^-<Cl^-<I^-