What is diagonal relationship due to? from Chemistry The s-Bloc

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 Multiple Choice QuestionsShort Answer Type

61. Beryllium oxide has a high melting point. Explain.
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62.

Which one is more basic Sr(OH)or Ba(OH)2?

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63. Why does beryllium form BeClalthough it has no unpaired electrons?
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 Multiple Choice QuestionsMultiple Choice Questions

64.

Which one of the alkaline earth metal carbonates is thermally the most stable?

  • MgCO3
  • CaCO3
  • SrCO3
  • BaCO3
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 Multiple Choice QuestionsShort Answer Type

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65.

What is diagonal relationship due to?


It is due to:
(i) similar size of atoms or ions
(ii) similar electronegativity and
(iii) similar polarising power.

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66.

Name the relationship which depicts the resemblance between Li and Mg. 

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67.

Which member of the alkaline earth metals family has maximum reduction potential?

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68.

Arrange the following in order of increasing basic character:
BeO, MgO, BaO, CaO.

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69.

Potassium hydroxide is a stronger base than barium hydroxide. Explain. 

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70.

Give chemical equation for the preparation of beryllium hydride.

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