Question

(a) Give IUPAC names and formulae of an organic compound containing single bonds and the other
containing a triple bond.
(b) Which of the following is the molecular formula of benzene ?
C6H6, C6H10, C6H12, C6H14
(c) Which of the two has a branched chain : isobutane or normal butane ?

Lakhmir Singh Chemistry Class 10

Answer 1

a)  single bond- alkane
     triple bond- alkene
b)  C6H6
c) isobutane

Answer 2

Answer:

(a) Methane (single bond): CH4

Ethyne (triple bond): C2H2

(b) Benzene: C6H6

(c) Isobutene