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Which of the following has lowest therma...

Which of the following has lowest thermal stability ?

A

`Li_(2)CO_(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
Only alkali metal carbonate, which decompose on heating is `Li_(2)CO_(3)`.
`Li_(2)CO_(3)rarroverset(Delta)rarrLi_(2)O+CO_(2)uarr`
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DINESH PUBLICATION-THE ALKALI METALS-RQ
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  5. Which of the following does not illustrate the anomalous properties of...

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  6. In Solvay ammonia process, sodium bicarbonate is precipitated due to

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  7. Sodium reacts with water more vigorously than lithium because

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  8. Which one of the following has minimum value of cation/anion ratio ?

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  9. Which of the following has largest size ?

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  10. Which compound will show the highest lattice energy ?

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  11. Strongest bond is between

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  12. Which of the following properties is not true for an alkali metal ?

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  13. Which is the weakest reducing agent ?

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  14. Which of the following is known as fusion mixture ?

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  15. Which of the following statements is false for alkali metals ?

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  16. The standard reduction potential of Li^(+)//Li,Ba^(2+)//Ba,Na^(+)//Na ...

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  17. The reactivity of the alkali metal sodium with water, is made use of

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  18. The golden yellow colour associated with NaCl to Bunsen flame be expla...

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