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(C) redox reaction is one in which oxidation and reduction occur simultaneously,involving a change in the oxidation states of the elements.In option $

Vedclass · Accepted Answer

$2F_{2(g)} + 2H_2O_{(l)} \rightarrow 4H_{(aq)}^+ + 4F_{(aq)}^- + O_{2(g)}$

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(C) redox reaction is one in which oxidation and reduction occur simultaneously,involving a change in the oxidation states of the elements.In option $C$,the reaction is $2F_{2(g)} + 2H_2O_{(l)} \rightarrow 4H_{(aq)}^+ + 4F_{(aq)}^- + O_{2(g)}$.Here,the oxidation state of $F$ changes from $0$ to $-1$ (reduction) and the oxidation state of $O$ in $H_2O$ changes from $-2$ to $0$ (oxidation).Therefore,this is a redox reaction involving water.In options $A$,$B$,and $D$,there is no change in the oxidation states of any of the elements involved.

List-$I$ $(\text{Redox Reaction})$	List-$II$ $(\text{Type of Redox Reaction})$
$A$. $CH_{4(g)} + 2O_{2(g)} \xrightarrow{\Delta} CO_{2(g)} + 2H_2O_{(l)}$	$I$. Disproportionation reaction
$B$. $2NaH_{(s)} \xrightarrow{\Delta} 2Na_{(s)} + H_{2(g)}$	$II$. Combination reaction
$C$. $V_2O_{5(s)} + 5Ca_{(s)} \xrightarrow{\Delta} 2V_{(s)} + 5CaO_{(s)}$	$III$. Decomposition reaction
$D$. $2H_2O_{2(aq)} \xrightarrow{\Delta} 2H_2O_{(l)} + O_{2(g)}$	$IV$. Displacement reaction

Which of the following reactions represents a redox reaction involving water?

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