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Q.
Atomic orbitals of carbon in carbon dioxide are
AIIMSAIIMS 1999Chemical Bonding and Molecular Structure
Solution:
$C_{\text{excited state}}= 2s^1\, 2p_x^1\, p_y^1\, p_z^1$
$O_{\text{ground state}}=2s^2 2P_x^2 P_y^1 P_z^1$
In the formation of $CO_2$ molecule, hybridization of orbitals of carbon occurs only to a limited extent involving only one s and one p orbital and gives rise to $sp $ hybridization