Which one of the following statement is correct?

Options

A. (a) Ferric ions give a deep green precipitate on adding potassium ferrocyanide solution.
B. (b) On boiling a solution having `K^(+)`, `Ca^(2+)` and `HCO_3^(-)` ions, we get a precipitate of `K_2Ca(CO_3)_2`
C. (c) Manganese salt give a violet borax test in reducing flame
D. (d) From a mixed precipitate of `AgCl` and `AgI`, ammonia solution dissolves only `AgCl`

Answer

D

Explanation

`AgCl+2NH_3rarr underset("Soluble complex ")(Ag(NH_3)_2Cl)`