Which of the following triatomic molecules do | vedclass

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(D) The formation of stable $p\pi-p\pi$ multiple bonds requires atoms of similar size and energy.Carbon has a small size and high electronegativity,al

Vedclass · Accepted Answer

$CTe_2$

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(D) The formation of stable $p\pi-p\pi$ multiple bonds requires atoms of similar size and energy.Carbon has a small size and high electronegativity,allowing it to form stable $C=O$,$C=S$,and $C=Se$ bonds.However,the $Te$ atom is much larger than the $C$ atom,leading to a significant energy mismatch between the $2p$ orbitals of carbon and the $5p$ orbitals of tellurium.Consequently,effective orbital overlap is not possible,and the $CTe_2$ molecule does not exist.

Which of the following triatomic molecules does not exist?

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