According to the text, for each pinacol rearrangement below, followed by alkaline degradation, which major product pair will be formed? Pair A Pair B Ph Ph OH Ph = Phenyl OH OH OH -Ph Ph -Ph OH OH Ph I2 CH3CO₂H Ph (CH2OH)2 KOH ? Choose... 수 -Ph DECOH CH,COH KOH (CH2OH)2 ? Choose... 수

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