The number of moles of hydroxide ions produced by one mole of $N a_{2} C O_{3}$ on hydrolysis is:

4

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2

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3

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0

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Solution

The correct option is A $2$
On hydrolysis,
$N a_{2} C O_{3} + 2 H_{2} O ⇌ 2 N a O H + H_{2} C O_{3}$

$2 N a O H ⇌ 2 N a^{+} + 2 O H^{-}$

We can see that it gives two moles of hydroxide ions.

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