The stable cation formed superior PhC—C 2-> Ph2C- OH OH OH Ph2CH-CH PhocH-ch OH -H Phenyl group move first PhHC—CHPh PhHC—CHPh一 OHOH Ph,CH-CH tOu -u+ Ph,Ch-CHThe stable cation formed superior H + Ph2 C OH CH2 OH + Ph2 C CH2 OH H + Ph2 CH CH +OH Ph2 CH CH O Phenyl group move first PhHC OH CHPh OH H + PhHC CHPh OH + Ph2 CH CH O H + Ph2 CH CH +OH