WBJEE · Chemistry · d and f Block Elements
Oxidation states of \(\mathrm{Cr}\) in \(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7\) and \(\mathrm{CrO}_5\) are, respectively
- A \(+6,+5\)
- B \(+6,+10\)
- C \(+6,+6\)
- D None of these
Answer & Solution
Correct Answer
(C) \(+6,+6\)
Step-by-step Solution
Detailed explanation
\(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7: 2(+1)+2 \mathrm{x}+7(-2)=0 \Rightarrow \mathrm{x}=+6\)
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