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Question: Answered & Verified by Expert
The oxidation state of $\mathrm{Cr}$ in $\left[\mathrm{Cr}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}$is
ChemistryCoordination CompoundsJEE Main
Options:
  • A
    $+3$
  • B
    $+2$
  • C
    $+1$
  • D
    0
Solution:
1130 Upvotes Verified Answer
The correct answer is:
$+3$
$\left(\mathrm{Cr}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right)^{+}$
$X+4 \times 0+2 \times-1=1$
$\mathrm{X}=+3$

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