Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-conceptual-Easy-Class 12
Which of the following statements about the oxidation states of transition metals is correct?
A
The oxidation state of chromium in chromate and dichromate is the same.
B
Higher oxidation states are more stable than lower oxidation states for all transition metals.
C
All transition metals exhibit the same range of oxidation states.
D
Chromium can only exist in the +6 oxidation state in its compounds.
Correct Answer
Option A
Detailed Explanation
The oxidation state of chromium in chromate (CrO4^2−) and dichromate (Cr2O7^2−) is indeed the same, which is +6. This is supported by the interconversion of chromates and dichromates depending on the pH of the solution.
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