Verified Solution • 2025–26 Session moderate

QJEEM19Chbfed: JEE Main 2019 Chemistry - Class 11 JEEM19Chbfed Solution: The correct sequence of thermal stability of the following…

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

Multiple Choice Options

  • A BaCO3 < SrCO3 < CaCO3 < MgCO3
  • B MgCO3 < CaCO3 < SrCO3 < BaCO3
  • C BaCO3 < CaCO3 < SrCO3 < MgCO3
  • D MgCO3 < SrCO3 < CaCO3 < BaCO3

Step-by-Step Verified Solution

Stability of alkaline earth metal carbonates increases down the group as size of cation increases ans polarization decreases down the group :

MgCO3 < CaCO3 < SrCO3 < BaCO3

Related Learning Resources & Exam Preparation

JEE Main PYQ Question Bank
Browse year-wise authentic previous years' questions with solutions
Authentic CBT Mock Tests
Simulate official exam environment with live timer and percentile scoring