JEE Mains · Chemistry · STD 12 - 4. d and f- block elements
The oxidation state of chromium in the final product formed in the reaction between KI and acidified \( K_{2}Cr_{2}O_{7} \) solution is:
- A \(+4\)
- B \(+3\)
- C \(+2\)
- D \(+6\)
Answer & Solution
Correct Answer
(B) \(+3\)
Step-by-step Solution
Detailed explanation
\( K_{2}Cr_{2}O_{7} + KI \xrightarrow{H^{+}} I_{2} + Cr^{3+} \)
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