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Which one of the alkali metals forms onl...

Which one of the alkali metals forms only the normal oxide, `M_(2)O`, on heating in air ?

A

Rb

B

K

C

Li

D

Na

Text Solution

Verified by Experts

The correct Answer is:
C
Only lithium forms monoxide on heating in air .
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MODERN PUBLICATION-S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS ) -COMPETITION FILE ( MULTIPLE CHOICE QUESTION (B))
  1. Choose the incorrect statement in the following

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  2. Formula of plaster of Paris is

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  3. Which one of the alkali metals forms only the normal oxide, M(2)O, on ...

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  4. Which of the following is the weakest base?

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  5. Which one of the following is the strongest base ?

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  6. The element responsible for the neuromuscular function in the body is

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  7. The salt of an alkali metal gives yellow colour in the flame test. Als...

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  8. The function of "Sodium pump" is a biological process operating in eac...

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  9. On heating which of the following release CO(2) most easily ?

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  10. Which of the following statement is false?

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  11. In context with beryllium, which one of the following statements is in...

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  12. Ionic mobility of which of the following alkali metal ions is lowest w...

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  13. Which of the following oxides is most acidic in nature ?

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  14. Among CaH(2),BeH(2),BaH(2), the order of ionic character is

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  15. Which of the following is an amphoteric hydroxide

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  16. Which of the following is an amphoteric hydroxide

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  17. Based on lattice energy and other considerations which one of the foll...

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  18. The ionic mobility of alkali metal ions in aqueous solution is maximum...

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  19. Which of the following is formed by the action of water on sodium pero...

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  20. Which one of the following processes is used for the manufacturing of ...

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