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Question

Assertion: The amino acid glycine predominantly exists in the form of NH3CH2COO.


Reason: The conjugate acid of glycine is NH2CH2COO.

Read the above assertion and reason and choose the correct option regarding it.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Assertion is incorrect but Reason is correct
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E
Both Assertion and Reason are incorrect
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Solution

The correct option is B Assertion is correct but Reason is incorrect
Glycine exists entirely in the cationic form at very low pH.
Glycine will exist as a dipolar ion predominantly, at a pH which is equal to the 6.1
The amino acid glycine predominantly exists in the form of NH3CH2COO.(figure)

458354_252443_ans_ce454f847441489381102c7c53a68992.png

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