. In the above sequence of reactions, A and B respectively are
(CH3)2C(OH)CN, (CH3)2CHCOOH
(CH3)2C(OH)CN, (CH3)2C(OH)2
(CH3)2C(OH)CN,(CH3)2C(OH)COOH
(CH3)2C(OH)CN,(CH3)2C=O
Glacial acetic acid is obtained by
chemically separating acetic acid
treating vinegar with dehydrating agents
crystallising, separating and melting acetic acid
distilling vinegar
An organic acid without a carboxylic acid group is
picric acid
oxalic acid
vinegar
ascorbic acid
An ester used as medicine is
ethyl benzoate
methyl salicylate
methyl acetate
ethyl acetate
B.
methyl salicylate
Methyl salicylate is used in medicine, in rheumatism and for the reliefin sprains. It is the principal constituent of oil of wintergreen.
Match List-I with List-II and select the correct answer using the codes given below:
List I (Name reaction) | List II (Reagent/ Catalyst) |
A. Tischenko's reaction | 1. SnCl2/ HCl |
B. Baeyer- villiger oxidation | 2. Zn/Hg, conc.HCl |
C. Stephen's reduction | 3. (C2H5O)3Al |
D. Clemmensen reduction | 4. H2SO5 |
A B C D
4 3 1 2
A B C D
3 4 1 2
A B C D
1 3 2 4
A B C D
3 2 4 1
Acetyl Chloride, Acetic anhydride and Sodium acetate
[B] [C] [D]
Sodium acetate, Acetic anhydride and Acetyl chloride
[B] [C] [D]
Acetyl chloride, Sodium acetate and Acetic anhydride
[B] [C] [D]
Acetic anhydride, Acetyl chloride and Sodium acetate
[B] [C] [D]
Consider the following reaction
The product [A] is
HCOOH (formic acid)
CH3COOH (acetc acid)
CHO-CHO (glyoxal)
C2O4H2 (oxalic acid)