Which of the following is a 3$°$ amine?

1.  1-methylcyclohexylamine

2.  Triethylamine

3.  tert-butylamine

4.  N-methylaniline

The correct IUPAC name for ${\mathrm{CH}}_2 = {\mathrm{CHCH}}_2{\mathrm{NHCH}}_3$ is

1.  Allyl methylamine

2.  2-Amino-4-pentene 

3.  4-Aminopent-1-ene

4.  N-methylprop-2-en-1-amine  

Which of the following is the weakest Bronsted base?

1. 

2. 

3. 

4. ${\mathrm{CH}}_3{\mathrm{NH}}_2$

Benzylamine may be alkylated as shown in the following equation?

${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2{\mathrm{NH}}_2+\mathrm{R}-\mathrm{X}⟶{\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2\mathrm{NHR}$

Which of the following alkyl halides is best suited for this reaction through S_N1 mechanism?

$$\begin{gathered} 1. {\mathrm{CH}}_3\mathrm{Br} \\ 2. {\mathrm{C}}_6{\mathrm{H}}_5\mathrm{Br} \\ 3. {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2\mathrm{Br} \\ 4. {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Br} \end{gathered}$$

In order to prepare a 1^o amine from an alkyl halide with the simultaneous addition of one CH₂ group in the carbon chain, the reagent used as a source of nitrogen is-

1.  Sodium amide, NaNH₂

2.  Sodium azide, NaN₃

3.  Potassium cyanide, KCN

4.  Potassium phthalimide, ${\mathrm{C}}_6{\mathrm{H}}_4(\mathrm{CO}{)}_2{\mathrm{N}}^{-}{\mathrm{K}}^{+}$

The source of nitrogen in Gabriel synthesis of amines is

1. sodium amide, NaN₃

2. sodium uzide, NaNO₂

3. potassium cyanide, KCN

4. potassium phthalimide ${\mathrm{C}}_6{\mathrm{H}}_4(\mathrm{CO}{)}_2{\mathrm{N}}^{-}{\mathrm{K}}^{+}$

Amongst the given set of reactants, the most appropriate for preparing 2^o amine is 

1.  2^o  R - Br + NH3
2.  2^oR — Br + NaCN followed by H₂/Pt
3.  1^o R —${\mathrm{NH}}_2$ + RCHO followed by H_2/Pt
4.  1^o R — Br(2 mol) + potassium phthalimide followed by $H_3$O⁺/ heat

The most effective reagent among the following to convert 2-phenylpropanamide into 2-phenylpropanamine is:
 

The best reagent for converting, 2-phenylpropanamide into 1-phenylethanamine is .... ....

1.  Excess H₂ / Pt

2.  NaOH / ${\mathrm{Br}}_2$

3. NaBH₄ / Methanol

4.  LiAlH₄ / Ether

Hofmann bromamide degradation reaction is shown by: