Heating a particular ether with HBr yielded a single organic product. Which of the following conclusions can be reached? A) The reactant was a methyl ether.
B) The reactant was a symmetric ether.
C) The reactant was a cyclic ether.
D) Both B and C may be correct.

)in the deacon process for the manufacture of chlorine, hcl and o2 react to form cl2 and h2o. sufficient air (21 mole% o2, 79% n2) is fed to provide 35% excess oxygen, and the fractional conversion of hcl is 85%. calculate the mole fractions of the product stream components.