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Variable Oxidation States

What is the c...

Question

What is the change in oxidation number of carbon in the following reaction?
$C H_{4} (g) + 4 C l_{2} (g) \to C C l_{4} (l) + 4 H C l (g)$

- 4 t o + 4

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0 t o - 4

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+ 4 t o - 4

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0 t o + 4

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Solution

The correct option is A $- 4 t o + 4$

Here oxidation number of carbon changes from $- 4$ in $C H_{4}$ to $+ 4$ in $C C l_{4}$

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N_{2} O_{4} (g) + 3 C O (g) \to N_{2} O (g) + 3 C O_{2} (g)

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