111.

Complete the following equations:
(i) 2Li + NH₃ 
(ii) 
(iii) 
(iv) 

Write two properties of lithium carbonate in which it differs from other alkali metal carbonates.

Why is Li₂CO₃ decomposed at a lower temperature while Na₂CO₃ at higher temperature?

Why is LiF almost insoluble in water whereas LiCl in soluble not only in water but also in acetone? 

How would you explain that the following observations?
LiI is more soluble than KI in ethanol?

Explain: Lithium exhibits anamalous behaviour in the company of alkali metals.
Or
Name the chief factor responsible for the anomalous behaviour of lithium.
Or
List three properties of lithium in which it differs from the rest of the alkali metals.

How will you explain the reactivity of alkali metals with halogens ?

How will you explain the ionic character of alkali metal halides?

In what ways lithium shows similarities to magnesium in its chemical behaviour?
Or
List four properties to show the diagonal relationship between lithium and magnesium.

How does lithium occur in nature? Name the chief ores of lithium.