please help solve 3. a. b. & c.

III Synthisien two of the three torgut moleculs qiven below: 10ptseach a.) 0CC,CH4,HCCECH b.) =,HCC=CH, CH+Y c.) =i1t2 III Synthisien two of the three torgut moleculs qiven below: 10ptseach a.) 0CC,CH4,HCCECH b.) =,HCC=CH, CH+Y c.) =i1t2