Give the Thermal stability orders of Group 1 and Group 2 carbonates .
Answer (1)
26th Mar, 2020
THERMAL Stability of alkaline metal carbonates and Alkaline earth metal carbonates
Group 2 -BeCO3<MgCO3<CaCO3 <SrCO3<BaCO3
Group 1 -Li2CO3<Na2CO3<KCO3<Rb2CO3<Cs2CO3
Li2CO3 Decomposes easily on heating to give CO2
Li2CO3 → Li2O + CO2
All other Group 1 elements can be easily decomposed.
GROUP 2 elements can be decomposed : Only more heat is required as we move down
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