Reduction to Amines

Q. When primary amine reacts with chloroform in ethanolic KOH, then the product is

1. An Isocyanide
2. An Aldehyde
3. cyanide
4. An Alcohol

Q. Methyl cyanide on reduction with sodium and alcohol gives

1. Methyl amine
2. Ethyl amine
3. Methyl alcohol
4. Acetic acid

Q.

What happens when Methanol reacts with Carbon monoxide?

Q. Is HCOONa is acidic salt or not? and ho

Q. A compound with offensive odour is obtained by the reaction of methyl amine with chloroform and alc. KOH on heating. This compound is

1. Cyanide
2. alcohol
3. Isocyanide
4. $1^{\circ }$ amine

Q. In the reaction Ethyl bromide $\stackrel{KCN}{\to }\times \underset{orLiAl{H}_4}{\overset{\frac{H_2}{Ni}}{\to }}Y,$ Y is:

1. n-propyl amine
2. Ethyl amine
3. Propionamide
4. Propane

Q. Gabriel's synthesis is used for the preparation of:

1. $1^{\circ }$ amine
2. $2^{\circ }$ amine
3. $3^{\circ }$ amine
4. All can be prepared

Q.

In Gabriel synthesis, amine is always an .

1. $\mathrm{aliphatic}\mathrm{primary}\mathrm{amine}$
2. $\mathrm{aliphatic}\mathrm{secondary}\mathrm{amine}$
3. $\mathrm{aromatic}\mathrm{primary}\mathrm{amine}$
4. $\mathrm{aromatic}\mathrm{secondary}\mathrm{amine}$

Q. Why is CO2 a lewis acid?

Q. When propanamide reacts with $B{r}_2$ and NaOH then which of the following compound is formed

1. Propyl alcohol

2. Ethylamine

3. Ethyl alcohol

4. Propyl amine

Q. Predict the end product in the reaction sequence below :
$C_2{H}_{5}N{H}_2\stackrel{HN{O}_2}{\to }\left(A\right)\stackrel{PC{l}_5}{\to }\left(B\right)\stackrel{N{H}_3}{\to }\left(C\right)$

1. ethylamine
2. methyl amine
3. acetamide
4. ethyl cyanide

Q. Suppose the following reaction :
$C{H}_3-\stackrel{C{H}_3}{\stackrel{|}{CH}}-\stackrel{O}{\stackrel{||}{C}}-OH+C{H}_3-N{H}_2\to A\underset{\Delta }{\overset{}{\to }}B\stackrel{\underset{\left(excess\right)}{LiAl{H}_4}}{\to }{}^{\prime }{C}^{\prime }$
The final product 'C' will be:

1. $2^o$ Amine
2. $3^o$ Amine
3. ester
4. $1^o$ Amine

Q. Ethanoic acid on heating with ammonia forms compound $A$ which on treatment with bromine and sodium hydroxide gives compound $B$. Compound $B$ on treatment with $NaN{O}_2/dil.HCl$ gives compound $C$. The compounds $A,B$ and $C$ respectively are:

1. Ethanamide, methanamine, methanol
2. Propanamide, ethanamine, ethanol
3. N-ethylpropanamide, methaneisonitrile, methanamine
4. Ethanamine, bromoethane, ethanediazoniumchloride
5. Methanamine, ethanamide, methanol

Q. When propanamide reacts with $B{r}_2$ and NaOH then which of the following compound is formed

1. Ethyl alcohol

2. Propyl alcohol

3. Propyl amine
4. Ethylamine

Q. Complete the following reactions:
(i) $C{H}_{3}COOH\underset{\Delta }{\stackrel{N{H}_3}{\to }}\left(A\right)\stackrel{B{r}_2/KOH}{\to }\left(B\right)\stackrel{HN{O}_2}{\to }\left(C\right)$
(ii) $C{H}_{3}N{H}_2\stackrel{\left(A\right)}{\to }C{H}_{3}OH\stackrel{\left(B\right)}{\to }C{H}_{3}I$.

Q. $C{H}_{3}C{H}_{2}COOH\stackrel{N{H}_3}{\to }\underset{-H_{2}O}{\overset{Heat}{\to }}\stackrel{B{r}_2+KOH}{\to }A$ product 'A' is:

1. $C{H}_{3}C{H}_{2}C{H}_{2}N{H}_2$
2. $C{H}_{3}C{H}_{2}C{H}_{2}COOH$
3. $C{H}_{3}C{H}_{2}Br$
4. $C{H}_{3}C{H}_{2}N{H}_2$

Q. $C{H}_3-\stackrel{O}{\stackrel{||}{C}}-OH\underset{\Delta }{\overset{N{H}_3}{\to }}A\underset{\Delta }{\overset{P_2{O}_5}{\to }}B$
Product 'B' in the reaction is:

1. $C{H}_3-C\equiv N$
2. $C{H}_3-N{H}_2$
3. $C{H}_3-\stackrel{O}{\stackrel{||}{C}}-N{H}_2$
4. $C{H}_3-C{H}_2-N{H}_2$

Q. The total number of amines among the following which can be synthesized by Gabriel synthesis is


$C{H}_{3}C{H}_{2}N{H}_2$

Q. What is the action of ammonia$\left[N{H}_3\right]$ on benzoic acid? Write equation.

Q. Why ZnCl2 is used with HCl to yield R-cl from R-oh but not Znbr2 with hbr to yield R-br from R-oh?

Q. Write the final product in the following reactions:
${CH}_{3}COOH\underset{H_2{SO}_4}{\overset{N_{3}H}{\to }}$