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

CBSE BoardEnglish MediumSTD 12 ScienceChemistry4. d and f- block elements1 Mark
MCQ
Acidified $KMn{O_4}$ is decolourzed by
  • ✓
    $B{r_2}$
  • B
    ${O_3}$
  • C
    $HCl$
  • D
    $HBr$
✓

Answer

Correct option: A.
$B{r_2}$
a
It’s Obvious.
 

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