MCQ
Which of the following compounds are optically active
  • A
    $(I)$ and $(III)$
  • B
    $(I)$ and $(II)$
  • $(II)$ and $(III)$
  • D
    $(I), (II)$ and $(III)$

Answer

Correct option: C.
$(II)$ and $(III)$
c

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$CH_3COCH_{3(aq)} + Br_{2(aq)} \rightarrow $$CH_3COCH_2Br_{(aq)} + H^+_{(aq)}+ Br^-_{(aq)}$

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 Initial concentrations, $M$

$[CH_3COCH_3]$ $[Br_2]$ $[H^+]$
$0.30$ $0.05$ $0.05$
$0.30$ $0.10$ $0.05$
$0.30$ $0.10$ $0.10$
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Initial rate, disappearance of $Br_2, \,\,Ms^{-1}$

$5.7 \times 10^{-5} ,$  $5.7 \times 10^{-5} ,$  $1.2 \times 10^{-5} ,$  $3.1 \times 10^{-5}$

Based on these data, the rate equation is