Reactions with Sulphonyl Chlorides

Q. Which of the following amines will form a product that is soluble in KOH, on reaction with Hinsberg’s reagent?

1. Isopropylamine
   
2. N, N-Dimethylaniline
3. Aniline
4. Diethylamine

Q.

An aromatic compound ‘A’ on treatment with aqueous ammonia and heating

forms compound ‘B’ which on heating with Br₂ and KOH forms a compound ‘C’

of molecular formula C₆H₇N. Write the structures and IUPAC names of compounds A, B and C.

Q. $1^{\circ },2^{\circ },\text{and}{3}^{\circ }$ amines can be best distinguished by:

1. Hinsberg's reagent
   
2. Tollen's reagent
3. Fehling solution
4. Carbylamine reaction

Q.

Which of the following would not react with benzene sulphonyl chloride in aq NaOH?

1. Aniline

2. methylamine

3. N, N-di methyl aniline

4. N- methyl aniline

Q. which of following amines gives alcohol or phenol by reaction with NaNO2 and HCl at 273-278K? A)C6H5CH2NH-CH3 b)(CH3)2-NH c)C6H5CH2-NH2 d)C2H5-NH2 ​

Q.

Write short notes on the following:

(i) Carbylamine reaction (ii) Diazotisation

(iii) Hofmann’s bromamide reaction (iv) Coupling reaction

(v) Ammonolysis (vi) Acetylation

(vii) Gabriel phthalimide synthesis.

Q.

Explain the following terms with suitable examples

(i) Cationic detergents

(ii) Anionic detergents and

(iii) Non-ionic detergents

Q. Primary, secondary and tertiary amines can be separated from their mixture by using ethyl oxalate.

1. True
2. False

Q. Primary amine on treating with NaNO₂ and HCl produce:

1. diazonium salt
2. nitrophenol
3. nitrite salt
4. nitroso amine

Q. The Hinsberg's method is used to detect

1. primary amines
2. secondary amines
3. tertiary amines
4. All of the above.

Q. Which of the following statements are true about acetophenone?

1. Reacts to form 2, 4-dinitrophenyl hydrazine
2. Reacts with Tollen's reagent to form silver mirror
3. Reacts with $I_2/NaOH$ to form iodoform
4. On oxidation with alkaline $KMn{O}_4$ followed by hydrolysis gives benzoic acid

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

1. 
2. 
3. 
4. 

Q. Why diazonium salt is formed only from primary amines

Q.

Which of the following is used to distinguish primary, secondary and tertiary amines

1. CHCl₃, KOH

2. C₆H₅SO₂Cl

3. either b (or) c

4. p - CH₃ - C₆H₄ - SO₂Cl

Q. Backbonding in trisilyl amine

Q.

A mixture of three amines A, B and C is treated with Benzene sulphonyl chloride and filtered.' B' is obtained in the filterate. The mixture containing A and C is treated with KOH so that' A' becomes soluble while 'C' does not. Now A, B and C are

1. Aliphatic secondary, tertiary and primary

2. Aliphatic primary, secondary and tertiary

3. Aliphatic primary, tertiary and secondary

4. Aliphatic tertiary, secondary and primary

Q. 1. N, N-dimethyl aniline
2. Triethylamine
3. N-methyl aniline
4. p-methyl aniline
How many of the given compound(s) will not give a positive carbylamine test?

Q. Which of the following statement(s) is/are correct regarding Hinsberg's test?

1. It is used to distinguish aliphatic and aromatic primary amines
2. It is used to distinguish primary and secondary amines
3. It is used to distinguish primary and secondary alcohols
4. p-toluenesulphonylchloride can also be used for this test.
   

Q. Which of the following will produce anisole?

1. $C{H}_{3}CHO\stackrel{RMgX}{\to }$
2. $C_6{H}_{5}OH\stackrel{NaOH}{\to }\stackrel{C{H}_{3}I}{\to }$
3. $C_6{H}_{5}OH\underset{Neitral}{\overset{FeC{l}_3}{\to }}$
4. $C_6{H}_5-C{H}_3\underset{AlC{l}_3}{\overset{C{H}_{3}COCl}{\to }}$

Q. 1. N, N-dimethyl aniline
2. Triethylamine
3. N-methyl aniline
4. p-methyl aniline
How many of the given compound(s) will not give a positive carbylamine test?

Q. Comparison of Aliphatic amines on the basis of non polar solvent ?

Q.

Illustrate with examples the limitations of Williamson synthesis for the preparation of certain types of ethers.

Q. Which of the following reaction will give 2-pentanone as a significant product?

1. $C{H}_{3}C{H}_{2}C{H}_{2}C\equiv CH+H_{2}S{O}_4\left(aq\right)\stackrel{HgS{O}_4}{\to }$
2. $C{H}_{3}C{H}_{2}C\equiv CC{H}_3+H_{2}S{O}_4\left(aq\right)\stackrel{H_{2}S{O}_4}{\to }$
3. $C{H}_3-CH=C=CH-C{H}_3+H_{2}S{O}_4\left(aq\right)\stackrel{HgS{O}_4}{\to }$
4. $C{H}_{3}C{H}_2-CH=C=C{H}_2+B_2{H}_6\underset{NaOH}{\overset{H_2{O}_2}{\to }}$

Q. Which of the following amines doesn't respond to Hinsberg's reagent?

1. $C_2{H}_{5}N{H}_2$
2. $(C_2{H}_5{)}_{2}NH$
3. $C{H}_{3}N{H}_2$
4. $(C_2{H}_5{)}_{3}N$

Q. Which of the following compounds reacts with $NaN{O}_2$ and $HClat0-4^{o}C$ to give alcohol/ phenol ?

1. $C_6{H}_{5}N{H}_2$
2. $C_2{H}_{5}N{H}_2$
3. $C{H}_{3}NHC{H}_3$
4. $C_6{H}_{5}NHC{H}_3$

Q. Secondary and primary amines can be distinguished by Liebermann nitroamine test.
If this is true enter 1 if false enter 0.

Q. Which of the following does not react with benzoyl chloride?

1. $N{H}_3$
2. $C{H}_{3}N{H}_2$
3. $(C{H}_3{)}_{2}NH$
4. $(C{H}_3{)}_{3}N$

Q. Which of the following is hydrolysed to give secondary amine ?

1. Alkyl cyanide
2. Nitroalkanes
3. Acid amide
4. Dimethylformamide

Q. which if the following has zero dipole moment : chloromethane ; dichloromethane ; trichloromethane ; tetrachloromethane

Q.

Why 2 degree and 3 degree amine cant be formed by Gabriel Pthalimide synthesis?