Which of the following represent a double displacement reaction?

$2 H_{2} + O_{2} \to 2 H_{2} O$

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$2 M g + O_{2} \to 2 M g O$

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$A g N O_{3} + N a C l \to A g C l + N a N O_{3}$

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$2 H_{2} + C l_{2} \to 2 H C l$

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Solution

The correct option is C
$A g N O_{3} + N a C l \to A g C l + N a N O_{3}$

This is the only double displacement reaction among the four options:
$A g N O_{3} + N a C l \to A g C l + N a N O_{3}$
Here, $A g N O_{3}$ and $N a C l$ exchange their ionic counterparts.

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Similar questions

Which of the following reactions represents a double displacement reaction?

You are given the following chemical equation :

$M g (s) + C u O (s) ⟶ M g O (s) + C u (s)$

This equation represents :

(a) decomposition reaction as well as displacement reaction

(b) combination reaction as well as double displacement reaction

(d) double displacement reaction as well as redox reaction

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