During sulphonation of benzene H2SO4 generates the electrophile ---------?

Accounting mcqs	(143)
auditing mcqs	(124)
Bank Reconciliation Statement mcqs	(19)
Biochemistry	(443)
Biology mcqs	(1,293)
Chemistry mcqs	(1,178)
Civil Engineering Mcqs	(710)
Computer mcqs	(951)
Defence and Armed Forces mcqs	(36)
Dental Materials MCQs	(619)
Electrical Engineering mcqs	(30)
English Literature mcqs	(2,605)
Everyday Science mcqs	(1,269)
Famous Playwright Poet and Others mcqs	(839)
Field Effect Transistors Fet	(30)
Fluid Mechanics mcqs	(710)
Gen-Anatomy	(521)
General Knowledge mcqs	(3,489)
Gilgit Baltistan mcqs	(14)
Ict Fata Ajk mcqs	(27)
Imp Days Pakistan MCQS	(8)
Islamic Studies mcqs	(1,095)
Judiciary and Law mcqs	(2,830)
KPK mcqs	(24)
Mathematics mcqs	(1,385)
Medical	(5,042)
Microbiology	(496)
Mountains and Glaciers mcqs	(48)
Oral Anatomy	(245)
Oral Histology	(382)
Oral Pathology Medicine	(941)
Pak Study	(80)
Pakistan general knowledge urdu Mcqs	(39)
Pakistan History mcqs	(15)
pakistan important days mcqs	(9)
Pakistan Studies General mcqs	(84)
PakStudy mcqs	(1,524)
Pathology	(328)
Pedagogy mcqs	(361)
Pharmacology	(548)
Photography mcqs	(8)
Physics mcqs	(770)
Physiology	(519)
Psychology mcqs	(653)
Sindh Study mcqs	(64)
Sociology mcqs	(2,413)
Software Engineering mcqs	(24)
Statistics mcqs	(677)
Urdu General Knowledge Mcqs	(102)
World Current Affairs mcqs	(2,595)