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Question Bank No: 1

1. Primary nitro compounds react with nitrous acid to form nitrolic acid which dissolve in NaOH giving

a)		Yellow solution
b)		Blue solution
c)		Colourless solution
d)		Red solution

2. Which of the following is most basic in nature?

a)		${NH}_{3}$
b)		${CH}_{3} {NH}_{2}$
c)		${{(CH}_{3})}_{2} NH$
d)		$C_{6} H_{5} N {{(CH}_{3})}_{2}$

3. Action of ${HNO}_{2}$ on ethylamine gives

a)		Ethane
b)		$C_{2} H_{5} OH$
c)		ammonia
d)		Nitromethane

4. Hinsberg reagent is

a)		$C_{6} H_{5} {SO}_{3} H$
b)		$C_{2} H_{5} NO$
c)		$C_{6} H_{5} {SO}_{2} Cl$
d)		$C_{6} H_{5} N_{2} Cl$

5. Which of the following compounds cannot be identified by carbyl amine test?

a)		$C_{6} H_{5} NH C_{6} H_{5}$
b)		${CH}_{3} {CH}_{2} {NH}_{2}$
c)		${CHCl}_{3}$
d)		$C_{6} H_{5} {NH}_{2}$

6. Compound A on reduction gives B which on further reaction with ${CHCl}_{3}$ and alcoholic KOH gives compound C which on further hydrolysis gives aniline. The compound A is:

a)		nitrobenzene
b)		methylamine
c)		nitromethane
d)		nitrosobenzene

7. In amines, the hybridisation state of N is

a)		sp
b)		${sp}^{2}$
c)		${sp}^{3}$
d)		${sp}^{2} d$

8. The amine which does not read with acetyl chloride is

a)		${CH}_{3} {NH}_{2}$
b)		${{(CH}_{3})}_{2} NH$
c)		${{(CH}_{3})}_{3} N$
d)		None of these

9. Which of the following on hydrolysis forms acetic acid?

a)		${CH}_{3} CN$
b)		$C_{2} H_{5} OH$
c)		$C_{2} H_{5} {NH}_{2}$
d)		${CH}_{3} OH$

10. Which of the following statements is correct?

a)		Methylamine is less basic than ammonia
b)		Methylamine is more basic than ${NH}_{3}$
c)		Methylamine is acidic towards litmus
d)		Methylamine forms salt with NaOH

11. Which of the following is produced by reaction of RCN in sodium and alcohol?

a)		${RCONH}_{2}$
b)		${RCO \bar{O} NH}_{4}^{+}$
c)		${RCH}_{2} {NH}_{2}$
d)		${{R (CH}_{2})}_{3} {NH}_{2}$

12. Primary and secondary amines can be distinguished by

a)		${Br}_{2}$ /KOH
b)		HClO
c)		${HNO}_{2}$
d)		${NH}_{3}$

13. Reduction of nitrobenzene in the presence of Zn/ ${NH}_{4} Cl$ gives

a)		Hydrazobenzene
b)		N-Phenyl hydroxylamine
c)		Aniline
d)		Azobenzene

14. Gabriel synthesis is used for the preparation of

a)		$1^{\circ}$ Aromatic amines
b)		$1^{\circ}$ Aliphatic amines
c)		$2^{\circ}$ Amines
d)		Tertiary amines

15. In the presence of acid, the hydrolysis of methyl cyanide gives

a)		methanoic acid
b)		ethanoic acid
c)		methylamine
d)		methyl alcohol

16. On reduction secondary amine is given by

a)		nitrobenzene
b)		methyl cyanide
c)		nitroethane
d)		methyl isocyanide

17. Aniline on heating with conc. ${HNO}_{3}$ + conc. $H_{2} {SO}_{4}$ mixture yields

a)		o- and p-Nitroanilines
b)		m-Nitroaniline
c)		A black tarry matter
d)		No reaction

18. Dye test can be used to distinguish between

a)		Ethylamine and acetamide
b)		Ethylamine and aniline
c)		Urea and acetamide
d)		Methylamine and ethylamine

19. The type of isomerism exhibited by $C_{6} H_{5} C \equiv C_{6} H_{5} N \vec{=} C$ is

a)		position
b)		functional
c)		enantiomerism
d)		functional as well as tautomerism

20. If N and S elements are presentin organic compound, then during Lassaigne's test both change into

a)		${Na}_{2} S$ and NaCN
b)		NaSCN
c)		${Na}_{2} {SO}_{3}$ and ${Na}_{2} {CO}_{3}$
d)		${Na}_{2} S$ and $NaCNO$

21. In Lassaigne's test for nitrogen, the blue colour is due to the formation of

a)		Potassium Ferrocyanide
b)		Sodium Cyanide
c)		Sodium Ferrocyanide
d)		Ferri-ferrocyanide