Question

Which of the following acids does not contain COOH group:

(1) Carbamic acid (3) Lactic acid

(2) Barbituric acid (4) succinic acid​

Answer 1

Answer:

carbamic acid

is the right answer

Explanation:

Answer 2

(a) Carbamic acid HOOC−NH2

(b) Barbituric acid C 4H4N2O3

(c) Lactic acid-CH3

CHCOOH

(d) Succinic acid HOOC−CH 2-CH2 --COOH

Therefore, barbituric acid is actually not an acid.