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STD 11 - 7. Redox reactions — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 7. Redox reactions4 Marks
MCQ
The oxidation number of $C$ in $C{O_2}$ is
  • A
    $-2$
  • B
    $2$
  • C
    $-4$
  • ✓
    $4$
✓

Answer

Correct option: D.
$4$
(d) $\mathop {C{O_2}}\limits^{ * \,\,\,\,\,\,} $

$x + 2\,( - 2) = 0$; $x - 4 = 0$; $x = + 4$.

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