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  • The given structure of amino acid will exist at which pH?  Option: 1 7

The given structure of amino acid will exist at which pH?

 

Option: 1

7


Option: 2

14


Option: 3

2-3


Option: 4

12


Answers (1)

best_answer

In the give structure of amino acid, the \mathrm{\mathrm{COOH}} does not given its \mathrm{\mathrm{H}^{+}}ion and the \mathrm{\mathrm{NH}_2} group get protonated to \mathrm{\mathrm{NH}_3{ }^{+}}which means the \mathrm{\mathrm{pH}} of the solution is more acidic than \mathrm{\mathrm{COOH}} and \mathrm{\mathrm{NH}_2}. Thus, from the given option the possible value for \mathrm{\mathrm{pH}} of the solution is \mathrm{2-3} which is a strongly acidic medium.

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Ritika Harsh

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