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Which among Na,K,Cs and Li forms most st...

Which among `Na,K,Cs` and `Li` forms most stable hydride?

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Answer the following: a. Which of the following has density greater than water ? Li, Na, K, Cs . b. Arrange K, Li, Rb in other of increasing electrode potential. c. Arrange Na, Li, K and Cs in increasing order of metallic bond. d. Which among Na, K, Cs and Li forms stable hydride ? e. On reacting eith oxygen, potassium can form K_(2)O , KO_(2) and K_(2)O_(2) . Is it correct ? f. Give the name of the hardest alakli metal. g. Arrange the following in order orf increasing polarising albility. Li^(o+), Na^(o+), K^(o+), Cs^(o+) h. Mention some of the properties of alkali metals which increse down the group. i. Mention some of the properties of alkali metals which decrease down the group.

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CENGAGE CHEMISTRY-APPENDIX - INORGANIC VOLUME 1-Exercise Short
  1. What is the order of reactivity of alkali metals towards hydrogen?

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  2. Arrange the alkali metals in increasing order of their density.

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  3. Which among Na,K,Cs and Li forms most stable hydride?

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  4. Which among Li,Na,K and Cs has density greater than water?

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  5. Arrange K,Ca and Li in order of increasing electrode potential.

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  6. The ionisation enthalpy of Na is less than Ne. Why?

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  7. Arrange alkali metal fluorides and halides in the decreasing order of ...

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  8. Which among Na,Mg,Ba and Ca is the poor reducing agent?

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  9. Arrange alkali metal carbonate in increasing order of solubility.

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  10. Arrange CaCO(3),KHCO(3) and NaHCO(3) in increasing order of solubiliti...

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  11. Why Be generally form covalent compounds?

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  12. Barium compounds are poisonous, even then BaSO(4) is used in barium me...

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  13. Which of the two cations Mg^(2+) and Al^(3+) is smaller?

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  14. Why alkaline earth metal oxides are quite stable?

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  15. Why solubility of sulphates decreases from BeSO(4) to BaSO(4)?

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  16. Why solubility of alkaline earth metal hydroxides increases from Be(OH...

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  17. When the alkaline earth metals such as Ca,Sr,Ba are dissolved in liqui...

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  18. Arrange alkaline earth metal flouides in order of increasing solubilit...

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  19. Arrange alkaline earth metal chlorides in order of increasing solubili...

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  20. Compare alkaline earth metals with alkali metals w.r.t (a) atomic and ...

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