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Characteristics of p- Block Elements

What happens ...

Question

What happens when aluminium oxide dissolves in aqueous sodium hydroxide.

A l (O H)_{3} + N a O H \to N a A l O_{2} + 7 H_{2} O

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A l (O H)_{3} + N a O H \to N a A l O_{2} + 8 H_{2} O

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

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

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Solution

The correct option is C $A l (O H)_{3} + N a O H \to N a A l O_{2} + 2 H_{2} O$
$A l (O H)_{3} + N a O H \to N a A l O_{2} + 2 H_{2} O$
Aluminium oxide being amphoteric in nature dissolves in aqueous sodium hydroxide to form water-soluble sodium aluminate.

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Similar questions

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

A l (O H)_{3}

When NaOH reacts with aluminium metal,the following reaction happens:

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

If Y is a gas, identify it.

H_{2} S

N H_{4} C l

A g N O_{3}

A l B r_{3}

A l (O H)_{3}

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Balance the following equation

Al₂(SO₄)₃+NaOH - Al(OH)₃+Na₂SO₄

A l (O H)_{3}

N H_{4} O H

N a O H

N a O H

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