Alkaloids salts are not very soluble in the organic solvent diethyl ether. What might happen to
the free-base form of caffeine (an alkaloid) dissolved in diethyl ether if gaseous hydrogen chloride,
(a) A second layer of water would form.
(b) Nothing; the
(c) The diethyl ether-insoluble caffeine salt would form as a white pecipitate.
(d) The acid-base reaction would release heat, which would cause the diethyl ether to start evaporating.
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