White P reacts with caustic soda, the pr...

White `P` reacts with caustic soda, the products are `PH_(3)` and `NaH_(2)PO_(2)`. This reaction is an example of:

Oxidation

Reduction

Disproportionation

Neutralisation

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The correct Answer is:

`overset((0))(P_(4))+6NaOHrarr overset((-3))(PH_(3))+3Na_(2)overset((+1))(HPO_(2))`
Disproportionation reaction. In this reaction, `P` element present in intermediate oxidation state and `P` undergoes both oxidation and reduction.

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In the reaction P + NaOH rarr PH_(3) +NaH_(2)PO_(2)

P_(4)+3NaOH+3H_(2)O to 3NaH_(2)PO_(2)+PH_(3) is an example of:-

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