Q8 / 60 · KVPY 2012 (SA) · Chemistry

The major product in the following reaction at $25^{\circ} \mathrm{C}$ is - Figure

  • Correct answer
    A
    $\mathrm{CH}_{3} \mathrm{CONHCH}_{2} \mathrm{CH}_{3}$
  • B
    $\mathrm{CH}_{3} \mathrm{CH}=\mathrm{NCH}_{2} \mathrm{CH}_{3}$
  • C
    $\mathrm{NH}_{3}{ }^{+} \mathrm{CH}_{2} \mathrm{CH}_{3} \cdot \mathrm{CH}_{3} \mathrm{COO}^{-}$
  • D
    $\mathrm{CH}_{3} \mathrm{CON}=\mathrm{CHCH}_{3}$

Solution

$\mathrm{H}_{3} \mathrm{C}-\mathrm{COOH} \stackrel{\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{NH}_{2}}{\longrightarrow} \mathrm{H}_{3} \mathrm{C}-\mathrm{COO}^{-} \cdot \mathrm{NH}_{3}-\mathrm{CH}_{2} \mathrm{CH}_{3} \rightarrow \mathrm{H}_{3} \mathrm{C}-\mathrm{CO}-\mathrm{NH}-\mathrm{CH}_{2}-\mathrm{CH}_{3}$

Hence, the correct answer is option: 'A'.

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