Total number of isomers (including stereoisomers) obtained on monochlorination of methylcyclohexane is .

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Canvas Classes · Accepted Answer

Step 1: Identify Monochlorination Positions
In methylcyclohexane, there are 5 unique types of carbons where Cl can substitute:
1. Methyl group: 1 isomer (achiral).
2. C1 (Ring carbon with methyl): 1 isomer (achiral).
3. C2 (or C6): 2 chiral centers  Cis (2 enantiomers) + Trans (2 enantiomers) = 4 isomers.
4. C3 (or C5): 2 chiral centers  Cis (2 enantiomers) + Trans (2 enantiomers) = 4 isomers.
5. C4: Plane of symmetry exists  Cis (1 meso) + Trans (1 meso) = 2 isomers.

Step 2: Total Count
Adding

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