`H_(3)PO_(2)` is the molecular formula of an acid of phosphorus. Its name and basicity respectively are

H_(3)PO_(2) is the formula for one of the phosphorus acids. Its name and basicity are respectively

H_(3)PO_(2) has the name and basicity respectively:

H_3 PO_3 , phosphorus acid is

The true statement for the acids of phosphorus, 'H3PO2, H3PO3 and H3PO4 ' is

Give the structure and basiciy of H_3PO_3 (Phosphorus acid)

Assertion (A) : The basicity of orthophosphorus acid, H_(3)PO_(3) is 2. Reason (R ) : Three hydrogen atoms are attached to phosphorus through oxygen atoms in H_(3)PO_(3) .