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Q.
What is the hybridisation of $C$-atom in $CO _{2}$ molecule?
The p-Block Elements
Solution:
The $CO _{2}$ molecule is shown below :
$O \overset{\pi}{=} C \overset{\pi}{=} O$
The $C$ atom in $CO _{2}$ possesses $s p$-hybridisation due to the presence of $2 \pi$ bonds. ( $\because 2 \pi$ bonds)