When concentrated caustic soda is heated in aluminium vessel:

NaOH does not react

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Na is displaced by aluminium

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O_{2}

is liberated

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H_{2}

is displaced

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Solution

The correct option is D $H_{2}$ is displaced
Caustic Soda: NaOH
$2 A l + 2 N a O H + 2 H_{2} O \to 2 N a A l O_{2} + 3 H_{2}$

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Similar questions

What is observed when hot concentrated caustic soda solution is added to (a) Zinc and (b) Aluminium oxide ? Write balanced equations.

H_{2}

20^{0} C

1

0.27 g

(a t . m a s s o f A l = 27 u)

2 A l + 2 N a O H + 2 H_{2} O \to 2 N a A l O_{2} + 3 H_{2}

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