8. How many distinct alkene products are possible, including stereoisomers, when the alkyl bromide below reacts with sodium tert-butoxide? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5

13. When 3-methyl-2-pentene is treated with mercuric acetate, $\mathrm{Hg(O_2CCH_3)_2}$, in a THF-$t$-butyl alcohol mixture and the resulting product is reacted with $\mathrm{NaBH_4}$ in basic solution, the principal product formed is which of these? (A) 3-methyl-3-pentanol (B) 3-$t$-butoxy-3-methylpentane (C) 3-methyl-2-pentanol (D) 2-$t$-butoxy-3-methylpentane (E) 1-$t$-butoxy-3-methylpentane

8. How many distinct alkene products are possible, including stereoisomers, when the alkyl bromide below reacts with sodium tert-butoxide?

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5

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