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Question: Answered & Verified by Expert
Acidified potassium dichromate is treated with hydrogen sulphide. In the reaction, the oxidation number of chromium
ChemistryRedox ReactionsJEE Main
Options:
  • A Increases from $+3$ to $+6$
  • B Decreases from $+6$ to $+3$
  • C Remains unchanged
  • D Decreases from $+6$ to $+2$
Solution:
2106 Upvotes Verified Answer
The correct answer is: Decreases from $+6$ to $+3$
Decreases from $+6$ to $+3$.

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