SN1 reactions have which of the following species formed and consumed in the reaction?
Correct answer: C. Carbocation
- A. Transition state
- B. Intermediate
- C. Carbocation
- D. Carbene
Explanation
SN1 reaction mechanism follows a step-by-step process where in first, the carbocation is formed from the removal of the leaving group. Then the carbocation is attacked by the nucleophile. Finally, the deprotonation of the protonated nucleophile takes place to give the required product. The carbocation intermediate formed in step 1 of the SN1 reaction mechanism is an sp2 hybridized carbon. Its molecular geometry is trigonal planar, therefore allowing for two different points of nucleophilic attack, left and right.
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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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