Select the incorrect statement.

Options

A. The geometry of phosphorus in `H_(3)PO_(2),H_(3)PO_(3)` and `H_(3)PO_(34)` is tetrahedral
B. `H_(3)PO_(2),H_(3)PO_(3)` and `H_(3)PO_(4)` are tribasic acids
C. `NH_(3)ltPH_(3)gtAsH_(3)ltSbH_(3)`: increasing acidic character.
D. `CO_(2) lt SiO_(2) lt SnO_(2) lt PbO_(2):` increasing oxidising power.

Answer

B

Explanation

`H_(3)PO_(2), H_(3)PO_(3)` and `H_(3)PO_(4)` are having basicity respectively 1, 2 & 3.