JEE Mains · Chemistry · STD 12 - 4. d and f- block elements
Dichromate ion is treated with base, the oxidation number of \(Cr\) in the product formed is .... .
- A \(3\)
- B \(4\)
- C \(5\)
- D \(6\)
Answer & Solution
Correct Answer
(D) \(6\)
Step-by-step Solution
Detailed explanation
\(Cr _{2} O _{7}^{2-}+ OH ^{-} \longrightarrow CrO _{4}^{2-}\) Oxidation state of \(Cr\) in \(CrO _{4}^{2-}\) is \(+6\)
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