When SO 2 gas is passed into an acidified solution of K 2 Cr 2 O 7 , the oxidation state…
Chemistry · JEE Main · NTA Exams — p-Block Elements
When SO2 gas is passed into an acidified solution of K2Cr2O7, the oxidation state of chromium changes
- from +12 to +6
- from +3 to +6
- from +6 to +3
- from +6 to +4
Answer
(C) from +6 to +3
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