How many S-S bonds,S-O-S bonds,sigma-bonds,an | vedclass

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(B) The trimer of sulphur trioxide is $S_3O_9$,which has a cyclic structure consisting of a six-membered ring of alternating $S$ and $O$ atoms.In this

Vedclass · Accepted Answer

$0, 3, 12, 6$

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(B) The trimer of sulphur trioxide is $S_3O_9$,which has a cyclic structure consisting of a six-membered ring of alternating $S$ and $O$ atoms.In this structure,there are no $S-S$ bonds.There are $3$ $S-O-S$ linkages in the ring.Each $S$ atom is bonded to two oxygen atoms in the ring and two terminal oxygen atoms via double bonds.Total $\sigma$-bonds = $3$ (in ring) + $6$ (to terminal $O$) + $3$ (in ring $S-O$) = $12$ $\sigma$-bonds.Total $\pi$-bonds = $6$ (each of the $3$ $S$ atoms has $2$ terminal $S=O$ bonds,contributing $2$ $\pi$-bonds each,$3 	imes 2 = 6$).Thus,the counts are $0$ $S-S$ bonds,$3$ $S-O-S$ bonds,$12$ $\sigma$-bonds,and $6$ $\pi$-bonds.Therefore,the correct option is $B$.

How many $S-S$ bonds,$S-O-S$ bonds,$\sigma$-bonds,and $\pi$-bonds are present in the trimer of sulphur trioxide $(S_3O_9)$?

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