You forgot to carefully dry your glassware prior to starting the experiment, but

Question

You forgot to carefully dry your glassware prior to starting the experiment, but figured it couldn't be too important and went ahead with the reaction anyway. Upon completing the following reaction you observed that your "product" was in fact the starting material. What went wrong The Grignard reagent was destroyed by reacting with the moisture on the glassware. The desired product was formed but the presence of water converted in back into the starting material. The water diluted the starting materials and reagents so they were not concentrated enough to react. The water shielded the ketone from reaction with the Grignard reagent Predict the product of the following reaction

Explanation / Answer

Q4

whatever written is correct

phenyl magnesium bromide will get wuenched with moisture and will give nbenzene so there is no more grignard reagent to react with ketone

Q5

option 2 is correct

Isopropyl group will react with ketome and will give corresponding tertiery alcohol

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