NEET | 2016Aromatic HydrocarbonsHard
Question
Consider the nitration of benzene using mixed conc. H2SO4 and HNO3. If a large amount of KHSO4 is added to the mixture, the rate of nitration will be:
Options
A.
Faster
B.
Slower
C.
Unchanged
D.
Doubled
Solution
+ H2SO4 + HNO3 
+ HSO4- + H2O
If we add KHSO4-, conc. HSO4- increases, equilibrium shifts backward.
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