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Which of the two cations Mg^(2+) and Al^...

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

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Charge on `Al^(3+)` is more than that on `Mg^(2+)`, so `Al^(3+)` ion is smaller than `Mg^(2+)` ion.
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CENGAGE CHEMISTRY-APPENDIX - INORGANIC VOLUME 1-Exercise Short
  1. Why Be generally form covalent compounds?

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

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

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  4. Why alkaline earth metal oxides are quite stable?

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

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

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

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

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

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

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  11. Arrange sulphates of group 2 in decreasing order of solubility of wate...

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  12. Arrange carbonates fo group 2 in increasing order of thermal stability...

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  13. Arrange hydroxides of group 2 elements in order of increasing basicity...

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  14. Arrange Be,Mg,Ca,Sr and Ba in increasing order of reactivity.

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  15. What kind of metals can form superoxides?

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  16. Name the alkali metal which can combine directly with As,P,S and halog...

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  17. Which among Na(2)O(2),Li(2)O,K(3)N and Li(3)N is not known?

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  18. Which among Na,K,Pb and Li has the lowest melting point?

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  19. Name an element which is invariably bivalent and whose oxide is solubl...

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  20. Mention the main constituents of Portland cement. What is the role of ...

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