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4. d and f- block elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry4. d and f- block elements1 Mark
MCQ
Bayer’s reagent used to detect olifinic double bond is
  • A
    acidified $KMnO_4$
  • B
    aqueous $KMnO_4$
  • ✓
    $1\%$ alkaline $KMnO_4$ solution
  • D
    $KMnO_4$ in benzene
✓

Answer

Correct option: C.
$1\%$ alkaline $KMnO_4$ solution
c
Baeyer's reagent is an alkaline solution of cold potassium permanganate, which is a powerful oxidant.

$S$ it's $1\,\%$ alkaline $KMnO _4$ solution

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