How many Chiral Compounds are possible on monochlorination of 2–methyl butane

How many Chiral Compounds are possible on monochlorination of 2–methyl butane (a) 2 (b) 4 (c) 6 (d) 8

6  Chiral Compounds are possible on monochlorination of 2–methyl butane. Star (*) indicate chiral (assymetric) carbon. Here in both product R and S configurations are possible so that total 4 chiral compound are possible.

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