Question

Which of the following is least thermally stable?
(A) \(\mathrm{MgCO}_{3}\)
(B) \(\mathrm{CaCO}_{3}\)
(C) \(\mathrm{SrCO}_{3}\)
(D) \(\mathrm{BeCO}_{3}\)

Answer 1

Ans: (D)
 Thermal stability order: \(\mathrm{BeCO}_{3}<\mathrm{MgCO}_{3}<\mathrm{CaCO}_{3}<\mathrm{SrCO}_{3}\)

Answer 2

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Answer 3

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