In which of the following reactions there is a change in the oxidation number of nitrogen atom?

2 N O_{2} \to N_{2} O_{4}

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N H_{3} + 4 N H_{3} \to [C u (N H_{3})_{4}] S O_{4}

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2 N a_{2} S_{2} O_{3} + I_{2} \to N a_{2} S_{4} O_{6} + 2 N a I

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None of these

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Solution

The correct option is C None of these
d.) In none of the given there is no change in the oxidation number of nitrogen atom.
In option A, nitrogen has oxidation state of $+ 4$ in both reactant and product.
In option B, nitrogen has oxidation state of $- 3$ in both reactant and product.

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Similar questions

2 N a_{2} S_{2} O_{3} + I_{2} \to N a_{2} S_{4} O_{6} + 2 N a I

2 N a_{2} S_{2} O_{3} + I_{2} = N a_{2} S_{4} O_{6} + 2 N a I, I_{2}

I_{2} + 2 N a_{2} S_{2} O_{3} \to 2 N a I + N a_{2} S_{4} O_{6}

I_{2} + 2 N a_{2} S_{2} O_{3} \to 2 N a I + N a_{2} S_{4} O_{6}

2 N a_{2} S_{2} O_{3} + I_{2} \to 2 N a I + N a_{2} S_{4} O_{6}

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