Question

Q2 a b c......................

Answer 1

(a) I think toluene undergoes nitration easily because in this CH3 group shows +I effect i.e electron donor group and it increases electron density on ortho and para position which favours electrophilic addition reaction.
(b) There are 7 sigma and 5 pie bonds.
(c) There are 8 sigma and 1 pie bonds.
I hope it will help u..

Answer 2

a) toluene will undergo Nitration easily. due to +I effect of ch3.
b) 7 sigma,,& 3 pi bond.
c) 8 sigma ,, 1pi bond