Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-numerical-Hard-Class 12
What is the oxidation state of chromium in both chromate and dichromate ions and how can these ions interconvert in solution?
A
Chromium is in +6 state; they interconvert depending on pH
B
Chromium is in +4 state; they interconvert depending on pH
C
Chromium is in +6 state; they interconvert depending on temperature
D
Chromium is in +4 state; they interconvert depending on temperature
Correct Answer
Option A
Detailed Explanation
Chromium in both chromate and dichromate ions is in the +6 oxidation state. Their interconversion depends on the pH of the solution as described in the NCERT context.
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