13. Provide a mechanism for the chain radical mechanism, using curved arrow formalism, of the reaction of butane with bromine under light, shown below. Label all initiation, propagation, and termination steps (provide at least two termination steps). Also label the rate determining step. Br2 hv Br

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Alkynes

Alkynes are organic compounds that contain at least one triple bond between carbon-carbon atoms. They are a series of unsaturated compounds with a general molecular formula, CnH2n-2.