Give the reagents and conditions required to convert 1-butyne into each of the following compounds (some transformations may require two steps). a. 1-butene with H2 b. 2,2-dimethylbutane c. 1,2-dimethylbutane d. 2-butanone e. butanal f. 3-hexyne g. hexane (from 3-hexyne) h. cis-3-hexene (from 3-hexyne). i. trans-3-hexene (from 3-hexyne) H. 2-butanone butanal