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Question

Write the equations for the following lab. preparations:
(a) Ethane from sodium propionate,
(b) Ethene from Iodoethane,
(c) Ethyne from calcium carbide,
(d) Methanol from Iodomethane.

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Solution

(a) Ethane from sodium propionate

C2H5COONa+NaOHCaO−−300oCNa2CO3+C2H6

(b) Ethene from iodoethane

C2H5I+KOH(alcoholic)C2H4+KI+H2O

(c) Ethyne from calcium carbide

CaC2+2H2OCa(OH)2+C2H2

(d) Methanol from iodoethane

CH3l+NaOHCH3OH+Nal


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