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STD 12 -8.1. Aldehydes and ketones — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 -8.1. Aldehydes and ketones4 Marks
MCQ
Suitable reagent for following conversion
  • ✓
    $CH _{3} MgBr , \,H _{3} O ^{+}, \,I _{2} / NaOH , \,H - Br / R _{2} O _{2}$
  • B
    $KMnO _{4} / NaOH , \,HBr / R _{2} O _{2}$
  • C
    $CH _{3} MgBr , \,KMnO _{4}, \,HBr$
  • D
    $CH _{3} MgBr , \,H _{3} O ^{+}, \,H - Br ,\, I _{2} / NaOH$
✓

Answer

Correct option: A.
$CH _{3} MgBr , \,H _{3} O ^{+}, \,I _{2} / NaOH , \,H - Br / R _{2} O _{2}$
a
For the conversion of $3 -$ vinylbenzaldehyde into $3 -(2-$ bromoethyl$)$ benzoic acid, the reagents such as $CH _{3} MgBr ,\, H _{3} O ^{+},\, I _{2} / NaOH , \,H - Br / R _{2} O _{2}$ are required.

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