Differentiate between saturated and unsaturated hydrocarbons

(a) Differentiate between saturated and unsaturated hydrocarbons. Write any two points of difference.
(b) Why are carbon compounds :
(i) poor conductors of electricity?
(ii) have low melting and boiling points ?
© Name the simplest hydrocarbon and write its formula.

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(a) Saturated hydrocarbons :
(i) Have only single bonds.
(ii) Burn with blue flame.
(iii) Not much reactive.
Unsaturated hydrocarbons :
(i) Have double or triple bonds.
(ii) Bum with sooty flame.
(iii) Are very reactive.
(b) Most carbon compounds are poor conductors of electricity as they do not ionise.
Low melting and boiling points as the intermolecular force of attraction is very low.
© Simplest hydrocarbon - methane - C${{H}_{4}}$.

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