please all them handwrting please

1. (5) Propose a synthesis to make the following synthetic conversion. (need to only show reagents, can show more but is not necessary) It will require several steps! CHE CH2 CH2 CH2-CHE H- CC-H - H H 2. (6) Predict the main product as indicated. a. l-butyne + excess HCI --> b. l-methylcyclohexene +. HBr. 3.(3) True or False Markovinov addition makes sense due to the higher activation energy of a primary carbocation as compared to a secondary carbocation. 4. (6) Propose mechanisms for all the products in the following reaction. HO (3-methyl-1-butene) OH OH OH you Minor product (3-methyl-2-butanol) Minor product (3-methyl-1-butanol) Major product (2-methyl-2-butanol)