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

Question

Acidified potassium dichromate is treated with hydrogen sulphide. In the reaction, the oxidation number of chromium (A) Increases from +3 to +6 (B) Decreases from +6 to +3 (C) Remains unchanged (D) Decreases from +6 to +2

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Decreases from + 6 to + 3. <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/16444d31eacf3ee6740252652c1f492c-.png" />

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

Increases from +3 to +6

Decreases from +6 to +3

Remains unchanged

Decreases from +6 to +2

Decreases from $+ 6 t o + 3.$

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

Increases from +3 to +6

Decreases from +6 to +3

Remains unchanged

Decreases from +6 to +2

Decreases from +6to+3.

Decreases from $+ 6 t o + 3.$