Alkynes can be prepared by two sequential E1 dehydrohalogenations.Select answer from the options belowTrueFalse

Alkynes can be prepared by treating either a vicinal dihalide or a geminal dihalide with an excess of a strong base, such as NaNH2.Select answer from the options belowTrueFalse

Alkynes can be prepared by dehydration of alcohols.Select answer from the options belowTrueFalseSave for LaterSubmit Answer

Alkynes can be prepared from geminal dichlorides.Select answer from the options belowTrueFalse

Which of the following alkynes cannot be efficiently prepared by alkylation(s) of acetylene?Select answer from the options below4-methyl-2-octyne5-methyl-2-octyne2-octyne1-octyne

example for controlled hydrogenation of alkynes