Answer Happy

3. (4) How many distinct alkene products are possible when the alkyl bromide below undergoes E2 elimination (don't forget cis/trans stereoisomers!)? B) 2 C) 3 A) 1 D) 4 E) 5 F) 6 ☆ Br
5. (4) Which of the following alkenes has the smallest molar heat of hydrogenation (ie, releases the least heat upon hydrogenation-reaction with H₂ and a metal catalyst)? B) 2-ethyl-4-hexene A) 3-ethyl-4-methyl-3-pentene D) cis-4-octene E) 1-octene C) trans-4-octene
16. (4) Which is the correct order of reactivity for the following alkyl bromides in an El reaction? A<B<C<D D<C<B<A A Br A<D<C<B B<D<C<A B Br B<C<D:A с D Br A<C<D<B