In the following sub quenstions, choose the correct answer from among the following possibilities and select correct code of your answer (Answer of 1, 2, 3 and 4 respectively)
1) the most stable low valent halide (1) `GeCl_(2) (2)SnCl_(2) (3) PbCl_(2)`.
2) A non existing halide (1) SnCl_(4) (2) PbCl_(4) (3) PbI_(4)`.
3) A purely acidic oxide (1) PbO_(2) (2)SnO_(2) (3) SiO_(2)`
4) Thermally most stable hydride (1) `NH_(3) (2) PH_(3) (3) AsH_(3)`.

Options

A. 3, 2, 1, 3
B. 1, 3, 3, 1
C. 3, 3, 3, 1
D. 1, 1, 1, 3

Answer

C