Which of the following compounds is not obtained when the products obtained from the electrolysis of brine are mixed?

N a C l

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H_{2}

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N a O C l

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C l_{2}

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Solution

The correct option is A $N a C l$
The electrolysis of brine solution can be given as follow:
$N a C l + 2 H_{2} O \to H_{2} + C l_{2} + 2 N a O H$
Here chlorine will react to give $N a O C l$ (sodium chlorate) gas.
Thus, Electrolysis of brine ( $N a C l$ solution) gives $H_{2}$ , $C l_{2}$ gas and $N a O H$ and $N a O C l$ (sodium hypochlorite).
Thus $N a C l$ is not obtained in the electrolysis of brine solution.

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Similar questions

2 N a + 2 H_{2} O \to 2 N a O H + H_{2}

2 N a O H + C l_{2} \to N a C l + N a O C l + H_{2} O

4 O H^{-} \to O_{2} + 2 H_{2} O + 4 e^{-}

2 C l^{-} \to C l_{2} + 2 e^{-}

C l_{2}

H_{2}

N a C l

H_{2}

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