Multiple choice

Which of the following terms correctly represents glycine NH2CH2COOH?

  1. Acid

  2. Base

  3. Zwitter ion

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This option is correct because glycine contains both acidic and basic groups and it undergoes mutual neutralization to form zwitter ions as shown below by the reaction: NH2-CH2-COOH → N+H3-CH2-COO-

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