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Question

The following facts are available:
2A+B22B+A2;2C+B2 No reaction;2D+A22A+D2
Which of the following statement is correct?

A
EC|C2>EB|B2>EA|A2>ED|D2
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B
EC|C2<EB|B2<EA|A2<ED|D2
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C
EC|C2<EB|B2>EA|A2>ED|D2
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D
EC|C2>EB|B2<EA|A2<ED|D2
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Solution

The correct option is B EC|C2<EB|B2<EA|A2<ED|D2

Given examples are of non-metals. A non-metal having higher reduction potential replaces the other from its solution.
Thus, ERPD<ERPA<ERPB
Thus,EOPD>EOPA>EOPB

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