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What is the order of thermal stability (i) in respective period alkali metals and alkaline earth metals carbonates (eg-Li2CO3 and BeCO3; Na2CO3 and MgCO3) (ii) in respective period alkali metals and alkaline earth metals hydroxides(eg- Be(OH)2 and LiOH)

What is the order of thermal stability
(i) in respective period alkali metals and alkaline earth metals carbonates (eg-Li2CO3 and BeCO3; Na2CO3 and MgCO3)
(ii)  in respective period alkali metals and alkaline earth metals hydroxides(eg- Be(OH)2 and LiOH)

Grade:12th pass

1 Answers

Nitai chakrabarti
32 Points
6 years ago
Ionic character is deleted to metalic character.since metallic character increases down agroup and decreases across a period. Carbonates and oxides of Gr.1 elememet is more ionic than corresponding element of Gr2. And thereforecabonates and oxides of Gr1 elements are more thermally stable as compared to corresponding elements of Gr2

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