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8.1. Aldehydes and ketones — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry8.1. Aldehydes and ketones1 Mark
MCQ
In the given reactions identify the reagent $A$ and reagent $B$
  • A
    $\mathrm{A}-\mathrm{CrO}_3$     $\mathrm{B}-\mathrm{CrO}_3$
  • ✓
     $\mathrm{A}-\mathrm{CrO}_3$     $B-$ $\mathrm{CrO}_2 \mathrm{Cl}_2 $
  • C
     $\mathrm{A}-\mathrm{CrO}_2 \mathrm{Cl}_2$     $B-$ $\mathrm{CrO}_2 \mathrm{Cl}_2 $
  • D
     $\mathrm{A}-\mathrm{CrO}_2 \mathrm{Cl}_2$        $B-$ $\mathrm{CrO}_3$
✓

Answer

Correct option: B.
 $\mathrm{A}-\mathrm{CrO}_3$     $B-$ $\mathrm{CrO}_2 \mathrm{Cl}_2 $
b

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