Chemistry

Chemistry

Problem

Select pair of compounds in which both have different hybridization but have same molecular geometry : a. BF3,BrF3\text{BF}_3, \text{BrF}_3 b. ICl2⊖,BeCl2\text{ICl}_2^{\ominus}, \text{BeCl}_2 c. BCl3,PCl3\text{BCl}_3, \text{PCl}_3 d. PCl3,NCl3\text{PCl}_3, \text{NCl}_3
Intuitive explanation

The key is recognizing that hybridization (how atomic orbitals mix) and molecular geometry (the 3D shape atoms actually occupy) are independent properties. Two atoms can have different orbital mixing schemes yet produce identical shapes if their lone pairs and bonding pairs arrange the same way. Focus on counting electron groups around the central atom—that determines geometry—while separately identifying the orbital types involved in bonding. Look for pairs where one uses spsp or sp2sp^2 while the other uses sp3sp^3, but both end up with the same number of bonding and lone pairs.

Intuitive explanation

The key is recognizing that hybridization (how atomic orbitals mix) and molecular geometry (the 3D shape atoms actually occupy) are independent properties. Two atoms can have different orbital mixing schemes yet produce identical shapes if their lone pairs and bonding pairs arrange the same way. Focus on counting electron groups around the central atom—that determines geometry—while separately identifying the orbital types involved in bonding. Look for pairs where one uses spsp or sp2sp^2 while the other uses sp3sp^3, but both end up with the same number of bonding and lone pairs.

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