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Question

Give chemical equation for:
(a) The laboratory preparation of methane from sodium acetate.
(b) The reaction of one mole of ethene with one mole of chlorine gas.
(c) The preparation of ethyne from 1, 2-dibromoethane.

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Solution

(a) CH3COONaSodium acetate+NaOH CaO CH4Methane+Na2CO3

(b) C2H4Ethene+Cl2 CCl4 C2H4Cl21,2-Dichloroethane

(c) C2H4Br21,2-Dibromoethane+2KOHalcoholicC2H2Ethyne+2KBr+2H2O

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