Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-fact-Hard-Class 12
Which of the following statements is true about the oxidation state of chromium in chromate and dichromate ions?
A
The oxidation state of chromium is the same in both chromate and dichromate ions.
B
Chromate ion has chromium in a higher oxidation state than in dichromate.
C
Dichromate ion contains chromium in a lower oxidation state compared to chromate.
D
The oxidation state of chromium is variable in chromate but fixed in dichromate.
Correct Answer
Option A
Detailed Explanation
The oxidation state of chromium in both chromate (CrO4^2-) and dichromate (Cr2O7^2-) ions is the same, which is +6.
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