Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

The correct sequence of thermal stability of the following carbonates is :

  1. A

    MgCO3 < CaCO3 < SrCO3 < BaCO3

  2. B

    BaCO3 < SrCO3 < CaCO3 < MgCO3

  3. C

    MgCO3 < SrCO3 < CaCO3 < BaCO3

  4. D

    BaCO3 < CaCO3 < SrCO3 < MgCO3

Solution

Stability of alkaline earth metal carbonates increases down the group :

MgCO3 < CaCO3 < SrCO3 < BaCO3

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