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

(A) : White P reacts with caustic soda, the products are PH_(3) and NaH_(2)PO_(2) . This is reaction is an example of disproportionation reaction. (R) : In disproportionation reaction one and the same substance may act simultaneously as an oxidising agent and as a reduced agent.

When P reacts with caustic soda. The products are PH_(3) and NaH_(2)PO_(2) . This reaction is an example of

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

When phosphorus reacts with caustic soda, the products are PH_(3) and NaH_(2)PO_(2) This reaction is an example of:

When phosphorus reacts with caustic soda , the products are PH_(3)andNaH_(2)PO_(2) . The reaction is an example of