er should be the carboxylate salt. the choice is between the
phenol and carboxylate salt, but the carboxylate salt is less
alkaline than phenol salt.
for the dissolve in water to get the most acidic solution, it is
the phenylamine salt because it is the weakest base and hence its
conjugate salt is the most acidic.
CFC qn is the butane cos the others all can form radicals that
destroy ozone.
