orgo EK 689, 690

[predent7]

Hi I am so wondering if someone could help me with these
Thanks.

689. The anhydride is present in excess. The reaction mixture is washed with a weak base. What is the fole for weak base do ?

690. Why is a strong base is avoided ?

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[mashinka]

hey what are the numbers referring to? i have exam krackers for orgo...but don't really know what you're talking about.

 

[predent7]

Sorry it is EK1001, I posted it again after correct..