Amongst the following, the linear species is :
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- \(\mathrm{O_3}\)
- \(\mathrm{Cl_2O}\)
- \(\mathrm{N_3^-}\)
- \(\mathrm{NO_2}\)
The Correct Option is C
Solution and Explanation
\(\mathrm{Cl_2O}\): central O has 2 bond pairs + 2 lone pairs, sp3, bent (about 111°).
\(\mathrm{N_3^-}\): central N has 2 sigma bonds and no lone pair, sp hybridised, \(\mathrm{N=N=N}\), linear (isoelectronic with \(\mathrm{CO_2}\), 16 valence electrons).
\(\mathrm{NO_2}\): central N has 2 bond pairs + 1 lone electron, sp2, bent (about 134°).
Answer: (3) \(\mathrm{N_3^-}\)
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