Question

Why unsaturated compound burns with a sooty flame?

Answer 1

Organic Compounds have excess of carbon in them. When they are burnt, some of the unburnt carbon remains, which deposits as soot. This is why organic compounds give sooty flame.

In excess of air or oxygen, the entire carbon wil be burnt completely and no sooty flame is given out.

Answer 2

Hey!

A large supply of oxygen is required in order to heat and break the double bond, this means that in a given supply of oxygen, unsaturated hydrocarbons use most of the oxygen in order to break the bonds and therefore the remaining left out oxygen is not sufficient enough to burn the carbon content left (which is quite ...



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