WBJEE 2015 Chemistry Solved Paper

© examsiri.com
Question : 39 of 40
 
Marks: +1, -0
Within the list shown below, the correct pair of structures of alanine in pH ranges 2-4 and 9-11 is
(I) H3N+–CH(CH3)CO2H
(II) H2N–CH(CH3)CO2–
(II) H3N+–CH(CH3)CO2−
– (IV) H2N+–CH(CH3)CO2H
Go to Question: