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Lithium compounds are covalent in nature. Why?
Important Questions on Alkali Metals
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Lithium has the highest hydration enthalpy among the alkali metals.
Lithium chloride is insoluble in pyridine.
Lithium cannot form ethynide upon its reaction with ethyne.
Both lithium and magnesium react slowly with .

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HARD

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(i) Exceptionally small size of its atom
(ii) Its high polarising power
(iii) It has low degree of hydration
(iv) Exceptionally low ionisation enthalpy

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