Which of the below given reactions is not a redox reaction?

$2 M g + O_{2} - > 2 M g O$

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$Z n + C U^{2 +} - > Z n^{2 +} + C u$

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$H C l + N a O H - > N a C l + H_{2} O$

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$I_{2} + 2 F e^{2 +} - > 2 I^{-} + 2 F e^{3 +}$

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Solution

The correct option is C
$H C l + N a O H - > N a C l + H_{2} O$

In option a),b) and d) you can see that both oxidation and reduction is happening whereas in option c), the oxidation states of all the elements remain same.It is an example of displacement reaction.Hence the option c).

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Similar questions

For cell reaction, $Z n + C u^{2 +} \to Z n^{2 +} + C u,$ cell representation is

2 F e^{3 +} + Z n \to Z n^{2 +} + 2 F e^{2 +}

F e^{2 +}

E_{C e l l}^{o}

Z n (s) + C u^{2 +} (a q) \to Z n^{2 +} (a q) + C u (s)

E_{C u^{2 +} / C u}^{\circ} = 0.34 V, E_{Z n^{2 +} / Z n}^{\circ} = - 0.76 V

The cell representation of the given reaction is:
Zn(s) + Cu²⁺ → Zn²⁺ + Cu(s)

What is the oxidizing agent in the following redox reaction?

$Z n (s) + C u^{2 +} (a q) \to Z n^{2 +} (a q) + C u (s)$

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