Question: Indicate which of the compounds in each pair will give a higher substitution/elimination ratio when it reacts with isopropyl bromide: a. Ethoxide ion or tert-butoxide

Indicate which of the compounds in each pair will give a higher substitution/elimination ratio when it reacts with isopropyl bromide:
a. Ethoxide ion or tert-butoxide ion
b. -OCN or -SCN
c. CI- or Br-
d. CH3S- or CH3O-

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