Which of the following compounds is most basic here

1. diphenyl amine

2. dimethyl amine

3. guanidine

4. trimethyl amine

Whose melting point is the highest?

Which reagent is required along with alcoholic KOH and a primary amine to perform the carbylamine test?

1. Trihalogenated methane and A primary amine

2. An alkyl halide and A primary amine 

3. An alkyl cyanide and A primary amine

4. Chloroform and Silver powder 

Hinsberg reagent is 

1. $C_6{H}_{5}NO$

2. $C_6{H}_5{N}_{2}Cl$

3. $C_6{H}_{5}S{O}_{2}Cl$

4. $C_6{H}_{5}S{O}_{3}H$

Which of the following products is formed when acetamide is treated with NaOBr?
 

1. $C{H}_{3}OH$

2. $C{H}_{3}N{H}_2$

3. $C{H}_{3}CN$

4. $C{H}_{3}COBr$
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The compound that, when reacted with aqueous nitrous acid at low temperature produces an oily nitrosamine is:

1. Methylamine

2. Ethylamine

3. Triethylamine

4. Diethylamine

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

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