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Question Bank No: 2

1. Ethyl alcohol n oxidation with $K_{2} {Cr}_{2} O_{7}$ gives

2. Haloform reaction can be used for preparing

3. Benzyl alcohol is obtained from benzaldechyde by

4. Which of the following gives iodoform on heating with a solution of $I_{2}$ containing ${Na}_{2} {CO}_{3}$ ?

a)		ethyl alcohol
b)		acetone
c)		ethyl alcohol as well as acetone
d)		methyl alcohol

5. Aldehydes can be distinguished from ketones by using

6. Identify Z in the series ${CH}_{2} = {CH}_{2} \overset{HBr}{⟶} X \overset{Hydrolysis}{⟶} Y ⟶_{l_{2} excess}^{{Na}_{2} {CO}_{3}}$

7. In public urinals, we observe some nascent smell. This smell is due to

a)		hydrolysis of urea of urine by urease of atmosphere into ${NH}_{3}$ and ${CO}_{2}$
b)		formation of sulphamic acid by urea of urine
c)		reaction of ${CO}_{2}$ of atmosphere with urea mononitrate in urine
d)		hydrogen present in air reacts with nitrogen forming ${NH}_{3}$

8. Aldehydes may be distinguished from ketones by the use of

9. In Cannizzaro's reaction

a)		aldehyde is converted into alcohol
b)		alcohol is converted into aldehyde
c)		a primary amine is converted into isocyanide
d)		aldehyde is converted into alcohol and sodium carboxylate

10. Silver mirror is a test for