Pyrrole undergoes sulfonation in presence of _______to produce pyrrole – McqOptions

MCQOPTIONS

1.	Pyrrole undergoes sulfonation in presence of _______to produce pyrrole 2 sulfonic acid.
A.	Conc. Sulphuric acid
B.	SO3 and pyridine
C.	Dilute sulphuric acid/pyridine
D.	SO3 and ethanol
Answer» C. Dilute sulphuric acid/pyridine

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