propyne should be reacted with silver or cupric chloride so that it's acidic hydrogen gets displaced by silver or copper.react the product with 2-bromo propane.bromine being a good leaving group would combine with silver of propyne and you would get 2-yne,4-methyl pentyne.follow it by sodium ethanol process by which alcohol will be formed and react it with RED P+IODINE

How would this reaction be drawn?