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JEE Main
Exam
JEE Main
Subject
Chemistry
Chapter
Redox Reactions

JEE Main · Chemistry · Redox Reactions

Acidified potassium dichromate is treated with hydrogen sulphide....

Acidified potassium dichromate is treated with hydrogen sulphide. In the reaction, the oxidation number of chromiumAcidified potassium dichromate is treated with hydrogen sulphide. In the reaction, the oxidation number of chromium

Options

  1. AIncreases from +3+3 to +6+6
  2. BDecreases from +6+6 to +3+3
  3. CRemains unchanged
  4. DDecreases from +6+6 to +2+2

Correct answer

B. Decreases from +6+6 to +3+3

Step-by-step solution

Decreases from +6+6 to +3+3.
Acidified potassium dichromate is treated with hydrogen sulphide. In the reaction, the oxidation number of chromium
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