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  • Unsaturated hydrocarbons contain multiple bonds between the two C-atoms and show addition reactions. Give the test to distinguish ethane from ethene.

Unsaturated hydrocarbons contain multiple bonds between the two C-atoms and show addition reactions. Give the test to distinguish ethane from ethene.

Answers (1)

When an unsaturated hydrocarbon reacts with bromine the double or triple bonds between the carbons get broken and bromine gets attached to those carbons.

Conformation test:

Ethane when burnt in air will give clear flame whereas ethene will give lots of smoke.

2 C_2H_6 + 7O_2 \rightarrow 4CO_2 + 6H_2O

C_{2}H_{4}(g)+3O_{2}(g) \rightarrow 2CO_{2}(g)+2H_{2}O(l)+Smoke

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infoexpert21

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