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Standard X

Chemistry

Extraction of Aluminium

NaAlO2 on hyd...

Question

$N a A l O_{2}$ on hydrolysis gives _________.

N a O H

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A l_{2} O_{3}

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both

A

and

B

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none of the above

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Solution

The correct option is B both $A$ and $B$
$N a A l O_{2}$ on hydrolysis gives sodium hydroxide and $A l_{2} O_{3}$ .
$2 N a A l O_{2} + H_{2} O \to A l_{2} O_{3} + 2 N a O H$

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NaAlO2 on hydrolysis gives _________.

The correct option is B both A and BNaAlO2 on hydrolysis gives sodium hydroxide and Al2O3.2NaAlO2+H2O→Al2O3+2NaOH

$N a A l O_{2}$ on hydrolysis gives _________.

The correct option is B both $A$ and $B$
$N a A l O_{2}$ on hydrolysis gives sodium hydroxide and $A l_{2} O_{3}$ .
$2 N a A l O_{2} + H_{2} O \to A l_{2} O_{3} + 2 N a O H$