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Tardigrade
Question
Chemistry
Acidified potassium dichromate is treated with hydrogen sulphide. In the reaction, the oxidation number of chromium
Q. Acidified potassium dichromate is treated with hydrogen sulphide. In the reaction, the oxidation number of chromium
3540
216
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A
Increases from
+
3
to
+
6
B
Decreases from
+
6
to
+
3
C
Remains unchanged
D
Decreases from
+
6
to
+
2
Solution:
Decreases from
+
6
to
+
3.
