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A. The Lewis diagram for NOCI is: Recall that for predicting geometry, double an

ID: 519760 • Letter: A

Question

A. The Lewis diagram for NOCI is: Recall that for predicting geometry, double and triple bonds count as only one electron pair. The electron-pair geometry around the N atom in NOCl is There are lone pair(s) around the central atom, so the geometry of NOCl is The Lewis diagram for CSe_2 is: Recall that for predicting geometry, double and triple bonds count as only one electron pair. The electron-pair geometry around the C atom in CSe_2 is There are lone pair(s) around the central atom, so the geometry of CSe_2 is

Explanation / Answer

A) The molecular geometry of NOCl is bent (or angular)

There is one lone pair around the central atom in NOCl, so the geometry of NOCl is angular

B) The molecular geometry of CSe2 is linear

There are no lone pairs around the central atom in CSe2, so the geometry of CSe2 is angular as charge distribution on the central atom is symmetric

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