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Which of the following alkali metal carb...

Which of the following alkali metal carbonate is the least stable and decomposes readily

A

`Li_(2)CO_(3)`

B

`Na_(2)CO_(3)`

C

`K_(2)CO_(3)`

D

`Cs_(2)CO_(3)`

Text Solution

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The correct Answer is:
A
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
  1. Identify the correct statement-

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  2. When a standard solution of NaOH is left in air for a few hours:

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  3. Which of the following alkali metal carbonate is the least stable and ...

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  4. In the reaction, M + CO(2) to MO(2) (superoixde) the metal M is :

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  5. If NaOH is added to an aqueous solution of Zn^(2+) ions a white precip...

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  6. Li does resemble other alkali metals in following properties:

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  7. Be and AI resemble in

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  8. The hydride which doesno't act as reducing agent is

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  9. The correct order of hydration energy of alkaline earth metal ions is

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  10. Na^(+) and Ag^(+) differ in

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  11. Magnesium powder burns in air to give :

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  12. Consider the following points (a) Cs is the strongest reducing agent...

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  13. Mg^(+2) does not form either preoxide or superoxidem because

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  14. The stability order of oxide, peroxide and superoxide of alkalimetal i...

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  15. Match list I with list II and choose the correct answer from the codes...

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  16. Alkali metals forms following compound

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  17. Which alkaline earth metal compound is volatile

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  18. Match the compound(s)/metal(s) in X with their uses in Y {:(X,Y),(A....

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  19. The reaction of sodium with water is highly exothermic the rate of rea...

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  20. Which of the following statement is not correct

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