A metal forms strong base and stable carbonates.
The metal belongs to:

VII A group

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IA group

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II A group

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III A group

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Solution

The correct option is B IA group
Alkali metals form strong bases (alkali metal hydroxide) and their carbonates are stable. Hence the metal is alkali metal and belongs to group $I A$ .

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A metal forms strong base and stable carbonates.The metal belongs to:

The correct option is B IA groupAlkali metals form strong bases (alkali metal hydroxide) and their carbonates are stable. Hence the metal is alkali metal and belongs to group IA.

A metal forms strong base and stable carbonates.
The metal belongs to:

The correct option is B IA group
Alkali metals form strong bases (alkali metal hydroxide) and their carbonates are stable. Hence the metal is alkali metal and belongs to group $I A$ .