8. What is the major product for the addition of Cl₂ to cis-2-butene?
(A) 2-chlorobutane
(B) meso-2,3-dichlorobutane
(C) racemic mixture of (2R,3R) and (2S,3S)-2,3-dichlorobutane
(D) 1,2-dichlorobutane

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