`Na_(2)HPO_(3)` is a normal salt - explain.

Na_(2)CO_(3) is a salt of

Assertion: Na_(2)HPO_(3) is an acidic salt Reason: An acidic salt contains an ionisable proton.

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.

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.

Na_(2)HPO_(4) solution in water is

Na_2CO_3 is a salt of

Assertion (A): Na_(2)S_(2)O_(3) is a salt of unstable acid. Reason (R) : H_(2)S_(2)O_(3) is a polyprotic acid.

Assertion (A): Na_(2)S_(2)O_(3) is a salt of unstable acid. Reason (R) : H_(2)S_(2)O_(3) is a polyprotic acid.

MgSO_(4) on reaction with Na_(4)OH and Na_(2)HPO_(4) forms a white crystalline precipitate. What is its formula?