NEET Chemistry The p-Block Elements (XII) Questions Solved


For H3PO3 and H3PO4 the correct choice is :

(A) H3PO3  is diabasic and reducing agent.             

(B) H3PO3  is diabasic and non-reducing agent.

(C) H3PO4  is tribasic and reducing agent.

(D) H3PO4  is tribasic and non- reducing agent.

(A) 

Oxidation state of P is + 3 can be decrease to – 3 and increase to + 5. Hence it can act as both
reducing as well as oxidising agent.

Difficulty Level:

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