Tuesday, April 29, 2008

Organic Compounds - Question Set April 30 2008

1. Among the following, the most reactive alkyl halide is

a. C2H5F
b. C2H5Cl
c. C2H5Br
d. C2H5I

2. In CH3CH2OH, the bond that undergoes heterolytic cleavage most readily is

a. C-C
b. C-O
c. C-H
d. O-H

3. Aldehydes are the first oxidation products of

a. secondary alcohols
b. primary alcohols
c. tertiary alcohols
d. dihydric alcohols

4. Which of the following on reaction with toluene gives benzaldehyde

a. chromyl chloride
b. anhydrous aluminium chloride
c. alkaline potassium permanganate
d. neutral solution of potassium permanganate

5. acetone when heated concentrated HCl and amalgamated zinc gives

a. C2H6
b. C3H8

6. Function isomers of monocarboxylic acids

a. ethers
b. alcohols
c. esters
d. aldehydes and ketones

7. Strongest acid among the following carboxylic acids is

a. malonic acid
b. oxalic acid
c. succinic acid
d. adipic acid

8. Nitration of benzoic acid gives the major product

a. 2-nitrobenzoic acid
b. 2,4-dinitrobenzoic acid
c. 3-nitrobenzoic acid
d. 4-nitrobenzoic acid

9. Treatment of ammonia with excess of ethyl iodide will give

a. ethylamine
b. diethylamine
c. triethylamine
d. tetraethylammonium iodide

10. Reaction of benzaldehyde with alkali give

a. phenol + sodium bezoate
b. benzene + benzyl alcohol
c. benzyl alcohol + sodium benzoate
d. phenol + benzene

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