Which would be the product when furan undergoes sulfonation in the pre – McqOptions

MCQOPTIONS

1.	Which would be the product when furan undergoes sulfonation in the presence of SO3 and pyridine?
A.	Furan 2 sulfolic acid
B.	Furan 3 sulfonic acid
C.	Mixture of (a) & (b)
D.	None of the above
Answer» B. Furan 3 sulfonic acid

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