ENTRANCE TEST – 2010 :: Discussion


21.The introduction of NO2 group in benzene ring is called ‘Nitration’. The nitration of benzene takes place when it is heated with a 1:1 mixture of _________ at 50 oC-55 oC.
A. Conc. HNO3 and conc. HCl
B.Conc. HNO3 and conc. Acetic acid
C. Conc. HNO3 and H3PO4
D.Conc. HNO3 and conc. H2SO4
Answer:  Option  D
Explanation:

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Published by:Nimra Saeed

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