Some Basic Concepts Of Chemistry Question 184

Question: What should be the equivalent weight of phosphorous acid, if P=31; O=16; H=1

Options:

A) 82

B) 41

C) 20.5

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

The acid is dibasic. Molecular weight of H3PO3 =3+31+48=82

Equivalent weight =Molecular weightBasicity=822 = 41.



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