Identify the correct order of thermal stabilities.

Options

A. `K_(2)CO_(3) lt MgCO_(3) lt CaCO_(3) lt BeCO_(3)`
B. `BeCO_(3) lt CaCO_(3) lt MgCO_(3) lt K_(2)CO_(3)`
C. `BeCO_(3) lt MgCO_(3) lt CaCO_(3) lt K_(2)CO_(3)`
D. `CaCO_(3) lt BeCO_(3) lt NgCO_(3) lt K_(2)CO_(3)`

Answer

B

Explanation

solubility of alkali metal carbonates is greater than alkaline metal carbonates.It increases down the group.