Consider the following reaction (ignore balancing) :
AgNO₃ + H₃PO₂ + H₂O → A (acid) + B (acid) + Ag
Let basicity of A (the phosphorus-containing acid) = x, and the number of atoms of B lying in one plane = y. Then x + y is :

Question

Consider the following reaction (ignore balancing) :

AgNO₃ + H₃PO₂ + H₂O → A (acid) + B (acid) + Ag

Let basicity of A (the phosphorus-containing acid) = x, and the number of atoms of B lying in one plane = y. Then x + y is :

TestHub · Accepted Answer

H₃PO₂ + 4AgNO₃ + 2H₂O → H₃PO₄ + 4Ag + 4HNO₃. A = H₃PO₄ : basicity x = 3. B = HNO₃ : planar molecule, all 4 atoms in one plane, y = 4. x + y = 7.

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