In SN2 reactions, the hybridization of carbon in moving from substrate to transition state changes from?
Correct answer: C. Sp3 to sp2
- A. Sp2 to sp3
- B. Sp to sp2
- C. Sp3 to sp2
- D. Sp to sp3
Explanation
The substrate present in SN2 reactions is sp3 hybridized. In transition state of SN2 mechanism, the carbon atom is sp2 hybridised due to its planar structure. At this point, carbon almost acquires 'pentavalency' with three full bonds and two 'partial' bonds, and a planar complex is formed, which is sp2 hybridised.
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About Alkyl Halides
Alkyl halides are named and related to their carbon-halogen structure, polarity and reactivity. The key reactions are nucleophilic substitution by SN1 and SN2 mechanisms and elimination by E1 and E2 mechanisms, including how substrate structure, nucleophile, base, solvent and temperature influence substitution versus elimination.
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