Alkali metals

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Question

$F_{2}$ reacts with hot and conc. NaOH liberates

Moderate

A

hydrogen gas
B

hydrogen chloride gas
C

oxygen gas
D

hydrogen peroxide vapour

Solution

$2 F_{2} + 4 N a O H \to 4 N a F + O_{2} + 2 H_{2} O$

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