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Sodium Thiosulphate

"When sodium ...

Question

"When sodium peroxide dissolves in water, it is hydrolyzed and forms sodium hydroxide and hydrogen peroxide."
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Solution

When sodium peroxide dissolves in water, it is hydrolyzed and forms sodium hydroxide and hydrogen peroxide.
$N a_{2} O_{2} + 2 H_{2} O ⟶ 2 N a O H + H_{2} O_{2}$
The reaction is highly exothermic.

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