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Which of the following is decomposed on ...

Which of the following is decomposed on heating?

A

`MgCO_(3)`

B

`Na_(2)CO_(3)`

C

`K_(2)CO_(3)`

D

`Rb_(2)CO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
`MgCO_(3) overset(Heat) rarr MgO+CO_(2)`
The metal whose oxide is stable, its carbonate is unstable
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  7. The decreasing order of the second ionization potentials of K, Ca and ...

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  8. Li shows the diagonal relationship with

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  9. Mg burns in CO to produce

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  10. Halides of alkaline earth metals form hydrates such as MgCl(2).6H(2)O,...

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  11. Which of the following has maxiumum ionisation energy ?

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  12. Magnesium powder burns in air to give :

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  13. Be(OH)(2) is insoluble in water while Ba(OH)(2) is highly soluble due...

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  14. The solubilities of carbonates decreases down the magnesium group due ...

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  20. The pair of amphoteric hydroxides is

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