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Question: Answered & Verified by Expert
Among the carbonates of alkali metals which one has highest thermal stability?
Chemistrys Block ElementsNEET
Options:
  • A Cs2CO3
  • B Rb2CO3
  • C K2CO3
  • D Na2CO3
Solution:
2433 Upvotes Verified Answer
The correct answer is: Cs2CO3
On moving down the group thermal stability of alkali metal carbonate increases so Cs2CO3 is most stable here.
Cs2CO3>Rb2CO3>K2CO3>Na2CO3

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