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MCQEasyJEE Main 2025 · 4 April, Shift 1Proteins (Amino Acids, Structure, Denaturation)

Chemistry Question from JEE Main 2025 · 4 April, Shift 1

Identify the pair of reactants that upon reaction, with elimination of HCl\mathrm{HCl} will give rise to the dipeptide Gly-Ala.

  • A

    NH2−CH2−COCl\mathrm{NH}_{2}-\mathrm{CH}_{2}-\mathrm{COCl} and NH2−CHCH3−COOH\mathrm{NH}_{2}-\underset{\mathrm{CH}_{3}}{\mathrm{CH}}-\mathrm{COOH}

  • B

    NH2−CH2−COCl\mathrm{NH}_{2}-\mathrm{CH}_{2}-\mathrm{COCl} and N⊕H3−CHCH3−COCl\overset{\oplus}{\mathrm{N}}\mathrm{H}_{3}-\underset{\mathrm{CH}_{3}}{\mathrm{CH}}-\mathrm{COCl}

  • C

    NH2−CH2−COOH\mathrm{NH}_{2}-\mathrm{CH}_{2}-\mathrm{COOH} and NH2−CHCH3−COCl\mathrm{NH}_{2}-\underset{\mathrm{CH}_{3}}{\mathrm{CH}}-\mathrm{COCl}

  • D

    NH2−CH2−COOH\mathrm{NH}_{2}-\mathrm{CH}_{2}-\mathrm{COOH} and NH2−CHCH3−COOH\mathrm{NH}_{2}-\underset{\mathrm{CH}_{3}}{\mathrm{CH}}-\mathrm{COOH}

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