P-Block Elements Ques 338

Question: The oxyacid of phosphorus, in which phosphorus has the lowest oxidation state, is

[KCET (Med.) 2001]

Options:

A) Hypophosphorus acid

B) Orthophosphoric acid

C) Pyrophosphoric acid

D) Metaphosphoric acid

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Answer:

Correct Answer: A

Solution:

$ \underset{x=+1}{\mathop{\underset{3+x-4=0}{\mathop{H_3\overset{*}{\mathop{P}}O_2}}}} $



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