Question

write the name and general formula of a chain of hydrocarbons in which an addition reaction with hydrogen is possible. State the condition essential for an addition reaction. Stating this condition, write a chemical equation by giving name ot reactant and its product.

Answer 1

-for alkenes it is CnH2n+2
for alkynes it is CnH2n-2
both alkenes and alkynes are unsaturated

-Condition is that hydrocarbon should be unsaturated.

vegetable oil + hydrogen -----------> vanaspathy ghee
(unsaturated)                                    (saturated)

This process is called hydrogenation as hydrogen is been added


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