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Addition

a What is the...

Question

(a) What is the special feature of the structure of : (i) $C_{2} H_{4}$ , (ii) $C_{2} H_{2}$ ?

(b) What type of reaction is common to both these compounds? Why methane does not undergo this type of reaction?

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Solution

(i) Both are unsaturated hydrocarbons. C₂H₄ (Ethene) contains carbon to carbon double bond and C₂H₂ (Ethyne) contains carbon to carbon triple bond.

(ii) Both these compounds undergo addition reactions. Methane, being a saturated hydrocarbon, doesn't undergo addition reaction.

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