Mention the type of reaction to obtain $A u$ (sol):
Reaction:
$2 A u {C l}_{3} + 3 H C H O + 3 H_{2} O ⟶ 2 A u (s o l) + 3 H C O O H + 6 H C l$

Hydrolysis

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Oxidation

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Reduction

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Double decomposition

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Solution

The correct option is C Reduction
The gold sol is obtained by the reduction of $A u {C l}_{3}$ :

$2 A u {C l}_{3} + 3 H C H O + 3 H_{2} O ⟶ 2 A u g o l d s o l . + 3 H C O O H + 6 H C l$

Suggest Corrections

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