Question

(a) Write molecular formula of benzene.
(b) Draw structure formula of benzene and write number of triple bonds present in it.
(c) Which is ethane in the following? Write number of co-operative bonds present in it.
(i) $C_2{H}_2$
(ii) $C_2{H}_4$
(iii) $C_2{H}_6$

Answer 1

a) The molecular formula of benzene $C_6{H}_6$.

b) In the structure formula of benzene there are 3 double bonds nd 9 single bonds present. There are no triple bonds.

c) $C_2{H}_6$ is the molecular formula for ethane. There are 7 single bonds in this structure.