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ChemistryMediumMCQ2012 · 26 May Online

Q34.Among the following species which two have trigonal pyramidal shape? (I) NI3 (II) I−3 (III) SO2−3 (IV) NO−3 (1) I and III (2) III and IV (3) I and IV (4) II and III

What This Question Tests

This question tests the application of VSEPR theory and hybridization concepts to determine the molecular geometry of various given species, specifically identifying those with a trigonal pyramidal shape.

Concepts Tested

VSEPR theoryHybridizationLone pair-bond pair repulsionMolecular geometry

Formulas Used

Steric number = (Number of bond pairs + Number of lone pairs)

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