The purpose of the saturated aqueous ammonium chloride is to: A extract the inor
ID: 825542 • Letter: T
Question
The purpose of the saturated aqueous ammonium chloride is to: A extract the inorganic impurities
B increase the solubility of the product in the aqueous layer during extraction
C hydrolyze the alkoxymagnesium bromide species produced upon addition of Grignard reagent to a ketone
D convert poorly soluble magnesium hydroxide byproduct into a more water soluble magnesium chloride
E both c) and d) are correct
The purpose of the saturated aqueous ammonium chloride is to: A extract the inorganic impurities
B increase the solubility of the product in the aqueous layer during extraction
C hydrolyze the alkoxymagnesium bromide species produced upon addition of Grignard reagent to a ketone
D convert poorly soluble magnesium hydroxide byproduct into a more water soluble magnesium chloride
E both c) and d) are correct
Explanation / Answer
E both c) and d) are correct
Reason:
Once reaction is over, the products will be in the form of R2O-Mg+.
So proton source is needed to convert this salt to R2OH. NH4Cl is a mild acidic salt so, it can donate the proton.
Another reason is clear as given in option d.
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