Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant increases. Reason :- Oxidant gains electron(s)

Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant increases. Reason :- Oxidant gains electron(s)
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Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant ... D. If both Assertion & Reason are False.
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Assertion :- Oxidation number of `Cr` in `CrO_(3)` is `+6`. Reason :- In `CrO_(5)`, four oxygen atoms are involved in peroxide linkage.

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Assertion :- In `HClO_(4)`, Chlorine has the oxidation number of `+4`. Reason :- `HClO_(4)` (perchloric) acid has two peroxide linkage.

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When an atom gains or loses a valence electron it becomes a charged particle call a?

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