Question

How many alkanes have two chiral centers? Select all that apply. a. octane b. 2-methylheptane c. 3-methylheptane d. 4-methylheptane e. 2,3-dimethylhexane f. 2,4-dimethylhexane g. 2,5-dimethylhexane h. 3,4-dimethylhexane i. 2,2-dimethylhexane j. 3,3-dimethylhexane k. 3-ethylhexane l. 2,3,4-trimethylpentane m. 2,2,3-trimethylpentane n. 2,3,3-trimethylpentane o. 2,2,4-trimethylpentane p. 3-ethyl-2-methylpentane q. 3-ethyl-3-methylpentane r. 2,2,3,3-tetramethylbutane

Answer 1

The chiral center is the carbon attached with four different groups or atoms.

The answer is option h) 3,4-dimethylhexane with two chiral centers.