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Smelting

Elements of A...

Question

Elements of Alkaline earth metals combine with carbon in an electric furnace to form carbides of type, $M C_{2}$ except :

A

Mg

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B

Ba

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C

Be

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D

Sr

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Solution

The correct option is C Be
'Be' hs small size, relatively high electronegativity and only four orbitals vacances shell. Due to this small size it donot fom carbide because removing 'e-' from 'Be' is not easy.

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