Mention the properties of lithium that differ from rest of the alkali group metals.
Mention the properties of lithium that differ from rest of the alkali group metals.
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- Reaction with nitrogen: Only lithium from alkali group metals reacts with nitrogen present in the air on heating, while rest of the members do not react with nitrogen.
- Thermal decomposition of carbonates: Alkali metal carbonates show no reaction on heating, while lithium carbonate decomposes on heating to form the corresponding oxide and liberate carbon dioxide gas.
- Property of chlorides: Lithium (LiCl) is deliquescent and forms corresponding hydrate (LiCl.2H2O). Other alkali chlorides are not deliquescent and do not form hydrates.
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