Hydrocarbons - Result Question 75
####77. The order of decreasing reactivity towards an electrophilic reagent, for the following would be
[2007] (i) benzene (ii) toluene (iii) chlorobenzene (iv) phenol
(a) (ii)
(c) (iv)
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Solution:
- (c) Electrophiles have high affinity for electrons. They attack at the site where electron-density is highest. Electron donating groups increases the electron density. The electron donating tendency decreases in the order :
Therefore, the correct order of reactivity towards electrophile is
78 .
(c)
