Describe and explain the possible effect on your results of the following experimental errors or variations. (a) You used solvent-grade (not anhydrous) diethyl ether for the reaction in part A. (b) After adding the bromobenzene solution in part A, you forgot to add anhydrous diethyl ether to the reaction mixture. (c) You used diethyl ether, rather than petroleum ether, to remove biphenyl from the crude triphenylmethanol.