Redox Reactions Ques 6
6. A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number?
[2012]
(a) $\mathrm{S}$
(b) $\mathrm{H}$
(c) $\mathrm{Cl}$
(d) $\mathrm{C}$
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Answer:
Correct Answer: 6.(c)
Solution: (c)
i.e. maximum change in oxidation number is observed in $\mathrm{Cl}(+5$ to $-1)$.
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