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CHEM<strong>360</strong> Report Book 2012-14Exp.12Experiment 12 Post Lab Questions:1. Aldehydes and ketones can be reduced to alcohols using hydrogen gas and a metalcatalyst. Suggest two reasons why the use of sodium borohydride is preferred overthe catalytic hydrogenation in order to prepare diphenylmethanol frombenzophenone.2. In this experiment, you destroyed the excess sodium borohydride by reacting it withhydrochloric acid (Part A, Step 5). What gas was evolved during the process?Write a balanced equation for the reaction that occurred. (Hint: one of the productswas boric acid).33
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