Need help with these organic chemistry problems. See attached files for the questions and images for

Need help with these organic chemistry problems. See attached files for the questions and images for

questions

Q3: Identify the terminal alkynes

Q10: What is the product of the reduction of 2-pentyne with sodium in liquid ammonia?

Q11: In the presence of excess hydrogen bromide, what is the major product of the addition of HBr to acetylene?

Q12: What alkenyl halide will be formed from the peroxide-catalyzed HBr addition to 1-hexyne?

Q14: Give the best stable product for the reaction

Q15: Give the best reagents for the reaction

Q16: Give the best reagents for the reaction

Q17: An unknown compound with molecular formula C6H10 produces the two compounds CH3COOH and (CH3)2CHOOH upon ozonolysis. What is the structure of the unknown compound?

Q18: What carbocation is the least stable one?

Q20: What is the hybridization of the anionic carbon in a vinylic anion?

Q21: Provide a mechanism for the following reaction. Use curved arrows to show the flow of electrons

Q22: Describe a sequence of reactions by which 3-heptyne can be straightforwardly prepared from acetylene