NEET UG CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

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Which species does not exist?

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Correct option: C

{\left( {\mathrm{CC}{\mathrm{l}_6}} \right)^{2 - }}

Option C (

{\left( {\mathrm{CC}{\mathrm{l}_6}} \right)^{2 - }}

) is correct because carbon cannot expand its octet due to the absence of available d-orbitals.

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