Question

The reaction of white phosphorus with aqueous gives phosphine along with another phosphorus containing compound. The reaction type, the oxidation states of phosphorus in phosphine and the other product are respectively:

A

redox reaction; and

B

redox reaction; and

C

disproportionation reaction; and

D

disproportionation reaction; and

Hard
Solution
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Correct option is C)

Hint: Disproportionation reaction is a reaction in which the same element gets oxidized and gets reduced from one initial oxidation state.

Step 1: Write down the reaction:


Step 2: Calculate the oxidation state of phosphorous in the various phosphorous compounds:

Let the oxidation number of be in each case


Final Answer: Hence the correct option is C.

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