A chloride dissolves appreciably in cold water. When placed on platinum wire in Bunsen flame, no distinctive colour is noticed, the cation would be

Options

A. `Mg^(2+)`
B. `BO_(4)^(2-)`
C. `Pb^(2+)`
D. `Ca^(2+)`

Explanation

`MgCl_(2)` is soluble in water but `Mg^(2+)` does not impart colour to flame.