P_4 + 3NaOH + 3H_2O to 3NaH_2PO_2 + PH_3 is a | vedclass

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(C) In the given reaction: $P_4 + 3NaOH + 3H_2O 	o 3NaH_2PO_2 + PH_3$The oxidation state of phosphorus $(P)$ in $P_4$ is $0$.In $NaH_2PO_2$,the oxida

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Disproportionation Redox

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(C) In the given reaction: $P_4 + 3NaOH + 3H_2O 	o 3NaH_2PO_2 + PH_3$The oxidation state of phosphorus $(P)$ in $P_4$ is $0$.In $NaH_2PO_2$,the oxidation state of $P$ is $+1$.In $PH_3$,the oxidation state of $P$ is $-3$.Since the same element $(P)$ is simultaneously oxidized (from $0$ to $+1$) and reduced (from $0$ to $-3$),this is a disproportionation reaction.

$P_4 + 3NaOH + 3H_2O \to 3NaH_2PO_2 + PH_3$ is an example of

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