The reagent 'R' in the given sequence of a chemical reaction is : 

1.	HI	2.	CuCN/KCN
3.	H2O	4.	CH3CH2OH

Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali.

1.		2.
3.		4.

The final product C, obtained in this reaction, would be:

1.		2.
3.		4.

Which chemical reaction leads to the formation of isocyanide?

1. Reimer Tiemann reaction.
2. Carbylamine reaction.
3. Hoffmann bromamide reaction.
4. None of the above.

Aniline when diazotized in cold and then treated with dimethyl aniline gives a coloured product. Its structure would be:

1.
2.
3.
4.

Aniline in a set of reactions yielded a product D

The structure of the product D would be:

1. ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2\mathrm{OH}$

2. ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2{\mathrm{NH}}_2$

3. ${\mathrm{C}}_6{\mathrm{H}}_5\mathrm{NHOH}$

4. ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NHCH}}_2{\mathrm{CH}}_3$

The products formed when Aniline reacts with $B{r}_2$ water, and $NaN{O}_2/HCl$ will be, respectively:

D is N-methyl aniline in the given below sequence of reaction:
\(\text A\xrightarrow{\bf\text{ reduction }}\text B\xrightarrow{\bf\text {CHCl}_3\text{/KOH}}\text C\xrightarrow{\bf\text{ reduction }}\text D\)

Structure of A can be:

1.		2.
3.	\(\mathrm{CH_3NH_2 }\)	4.

An organic compound 'A' on treatment with NH₃ gives 'B', which on heating gives 'C'. 'C',
when treated with Br₂ in the presence of KOH produces ethylamine. Compound 'A' is:

1.	CH3CH2COOH
2.	CH3COOH
3.	CH3CH2CH2COOH
4.

Which of the following compounds is most basic?

1.		2.
3.		4.