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Which is a stronger reducing agent Cr^(2...

Which is a stronger reducing agent `Cr^(2+) or Fe^(2+)` and why ?

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`Cr^(2+)` is stronger reducing agent than `Fe^(2+)`
Reason : `d^(4)rarrd^(3)` occurs in case of `Cr^(2+)" to "Cr^(3+)`
But `d^(6)rarrd^(5)` occurs in case of `Fe^(2+)" to "Fe^(3+)`
In a medium (like water) d3 is more stable as compared to `d^(5)` (see CFSE)
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Knowledge Check

  • A stronger reducing agent is

    A
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    B
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    C
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    B
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    D
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  • A stronger reducing agent is

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    C
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    D
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