WBJEE 2015 Chemistry Solved Paper
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Question : 39 of 40
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Within the list shown below, the correct pair of structures of alanine in pH ranges 2-4 and 9-11 is
(I)H 3 N + – C H ( C H 3 ) C O 2 H
(II)H 2 N – C H ( C H 3 ) C O 2 –
(II)H 3 N + – C H ( C H 3 ) C O 2 −
– (IV)H 2 N + – C H ( C H 3 ) C O 2 H
(I)
(II)
(II)
– (IV)
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