When ethyne is subjected to ozonolysis of, what is the end product?

Which of the following statement is true regarding the reactivity order in order to form alkyl halides?

Alkynes can be prepared from calcium carbide.

Ethyne on oxidation with alcoholic KMnO4 forms ____________

Which of the following is true regarding the boiling point?

At which temperature, does cyclic polymerization of an alkyne occur?

Are alkynes more reactive than alkenes?

Which of the following is not a process of halogenation of alkanes?