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Which of the following statement is corr...

Which of the following statement is correct ?
P) pyruvic acid gives haloform test
Q) pyruvic acid gives tollen's test
R) pyruvic acid undergoes decarboxylation with warm. dil `H_2 SO_4` and gives `CH_3 CHO`
S) pyruvic acid undergoes decarbonylation with warm, conc.`H_2 SO_4`, and gives `CH_3 COOH`

A

P,Q,R,S

B

P,Q,R only

C

R,Q only

D

Only P

Text Solution

Verified by Experts

The correct Answer is:
A
`CH_3 - overset(O)overset(||)C-COOH` (Pyruvic acid)
P) Due to the presence of `CH_3-overset(O)overset(||)` group it gives haloform test
Q) It undergoes decarboxylation and gives `CH_3 CHO`. Hence it gives tollen.s test
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