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Amino acids are classified as acidic, ba...

Amino acids are classified as acidic, basic or neutral depending upon the relative number of amino and carboxyl groups in their molecule. Which of the following are acidic?

A

`(CH_(3))_(2)CH-underset(NH_(2))underset("| ")"CH"-COOH`

B

`HOOC-CH_(2)-CH_(2)-underset(NH_(2))underset("| ")"CH"-COOH`

C

`H_(2)N-CH_(2)-CH_(2)-CH_(2)-COOH`

D

`HOOC-CH_(2)-underset(NH_(2))underset("| ")"CH"-COOH`

Text Solution

Verified by Experts

The correct Answer is:
A, B
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Amino acids are classified as acidic, basic or netural depending upon the relative number of amino and carboxyl groups in their molecule. Which of following are acidic ? (i) (CH_(3))_(2)OH-underset(NH_(2))underset(|)CH-COOH (ii) HOOC-CH_(2)-CH_(2)-underset(NH_(2))underset(|)CH-COOH (iii) H_(2)N-CH_(2)-CH_(2)-CH_(2)-COOH (iv) HOOC-CH_(2)-underset(NH_(2))underset(|) CH-COOH

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