COMEDK · Chemistry · 30. Biomolecules
At \(\mathrm{pH}=4\) glycine exists as
- A \(\mathrm{H}_{3} \stackrel{+}{\mathrm{N}}-\mathrm{CH}_{2}-\mathrm{COO}^{-}\)
- B \(\mathrm{H}_{3} \stackrel{+}{\mathrm{N}}-\mathrm{CH}_{2}-\mathrm{COOH}\)
- C \(\mathrm{H}_{2} \mathrm{~N}-\mathrm{CH}_{2}-\mathrm{COOH}\)
- D \(\mathrm{H}_{2} \mathrm{~N}-\mathrm{CH}_{2}-\mathrm{COO}^{-}\)
Answer & Solution
Correct Answer
(B) \(\mathrm{H}_{3} \stackrel{+}{\mathrm{N}}-\mathrm{CH}_{2}-\mathrm{COOH}\)
Step-by-step Solution
Detailed explanation
\(\mathrm{At} \mathrm{pH}=4\), glycine reacts with \(\mathrm{H}^{+}\)ion as
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