Statement -1 : `Na_(2)HPO_(3)` is not an acid salt.
Statement -2 : `Na_(2)HPO_(3)` on heating decomposes to give phosphine gas and a mixture of phosphates.

Options

A. Statement -1 is true, Statement- 2 is false.
B. Statement -1 is true , Statement-2 is true, Statement-2 is a NOT a correct explanation for Statement -1.
C. Statement -1 and Statement- 2 both are False.
D. Statement -1 is False, Statement- 2 is True.

Answer

B

Explanation

`Na_(2)HPO_(3)` is the salt of `H_(3)PO_(3)` which is dibasic in nature (as it contains two `OH^(-)` groups)
`8Na_(2)HPO_(2)overset(Delta)to 2PH_(3)+4NaPO_(4)+Na_(4)P_(2)O_(7)+H_(2)O`