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Question

Cr2O27 + 3H2S + 8H+ 2Cr3+ + 7H2O + 3S.
If true enter 1 else 0.
  1. 1

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Solution

The correct option is A 1
In acidic medium, dichromate oxidizes hydrogen sulphide to sulphur.
Cr2O27 + 3H2S + 8H+ 2Cr3+ + 7H2O + 3S.

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