Which of the following is most reactive to electrophilic substitution?

1.	Nitrobenzene	2.	Aniline
3.	Aniline hydrochloric	4.	n-Acetylaniline

Carbylamine reaction can be given by:

1. ${\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{NO}}_2$

2. ${\mathrm{CH}}_3{\mathrm{NH}}_2$

3. ${\left({\mathrm{CH}}_3\right)}_2\mathrm{NH}$

4. ${\mathrm{CH}}_3{\mathrm{CONH}}_2$

${\mathrm{CH}}_3{\mathrm{NH}}_2+{\mathrm{CHCl}}_3+\mathrm{KOH} \to$ Nitrogen containing compound $+\mathrm{KCl}+{\mathrm{H}}_2\mathrm{O}$. The nitrogen-containing compound is

1. $C{H}_3-{\mathrm{CH}}_2-\mathrm{C}\equiv \mathrm{N}$

2. ${\mathrm{CH}}_3-\mathrm{NH}-{\mathrm{CH}}_3$

3. ${\mathrm{CH}}_3-\stackrel{-}{\mathrm{N}}\equiv \stackrel{+}{C}$

4. ${\mathrm{CH}}_3\stackrel{+}{\mathrm{N}} \equiv \stackrel{-}{\mathrm{C}}$

Which of the following reacts with Hinsberg reagent (Benzene sulphonyl chloride) to form a product, soluble in $\mathrm{KOH}$?

1. Primary amine 

2. Secondary amine

3. Tertiary amine

4. Quaternary amine

Which of the following reagent can be used to convert benzenediazonium chloride into benzene

1. ${\mathrm{H}}_3{\mathrm{PO}}_2$

2. ${\mathrm{LiAlH}}_4$

3. ${\mathrm{Br}}_2- {\mathrm{H}}_2\mathrm{O}$

4. ${\mathrm{CH}}_3\mathrm{OH}$

Which is most basic?

1. ${\mathrm{CH}}_3{\mathrm{NH}}_2$

2. ${\left({\mathrm{CH}}_3\right)}_2\mathrm{NH}$

3. ${\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{NH}}_2$

4. ${\left({\mathrm{C}}_6{\mathrm{H}}_5\right)}_2\mathrm{NH}$

Which of the following amines doesn't give the carbylamine reaction?

The reagent that is used to change nitromethane into methylhydroxylamine is: 

1. $Zn/NaOH$

2. $Sn/HCl$

3. $Zn/N{H}_{4}Cl$

4. $Zn/HCl$

Which compound is formed when ${\left(C{H}_3\right)}_4{N}^{+}O{H}^{-}$ is heated ?

1. $C_2{H}_{5}N{H}_2$

2. ${\left(C{H}_2\right)}_{3}N$

3. $C{H}_{3}N{H}_2$

4. ${\left(C{H}_3\right)}_{3}N$

The compound which one reaction with aqueous nitrous acid at low temperature produces an oily nitrosamine is

1. methylamine

2. ethylamine

3. triethylamine

4. diethylamine