Chemistry
Give balanced equations for the laboratory preparations of - Alkanes, Alkenes, Alkynes, Alcohols and Acids.
Sl. No. | Compound | from: | by/from: |
---|---|---|---|
(a) | Methane [CH4] | Sodium ethanoate [sodium acetate] | by -decarboxylation |
(b) | Methane [CH4] | Iodo methane [methyl iodide] | from -an alkylhalide |
(c) | Ethane [C2H6] | Sodium propanoate [sodium propionate] | by -decarboxylation |
(d) | Ethane [C2H6] | Bromo ethane [ethyl bromide] | from -alkylhalide |
(e) | Ethene [C2H4] | from ethanol [ethyl alcohol] | by -dehydration |
(f) | Ethene [C2H4] | Bromo ethane [ethyl bromide] | by - dehydrohalogenation |
(g) | Ethyne [C2H2] | from calcium carbide | from -a calcium compound |
(h) | Ethyne [C2H2] | 1,2, dibromoethane [ethylene dibromide] | by -dehydrohalogenation |
(i) | Ethanol [C2H5OH] | Bromo ethane [ethyl bromide] | by - hydrolysis of alkylhalide |
(j) | Ethanol [C2H5OH] | Ethene [ethylene] | by - hydration of ethene |
(k) | Ethanoic acid [CH3COOH] | Ethanol [ethyl alcohol] | by - oxidation of alcohol |
Organic Chemistry
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Answer
(a) Methane [CH4] by decarboxylation :
(b) Methane [CH4] from alkyl halide :
(c) Ethane [C2H6] by decarboxylation :
(d) Ethane [C2H6] from alkylhalide :
(e) Ethene [C2H4] by dehydration :
(f) Ethene [C2H4] by dehydrohalogenation :
(g) Ethyne [C2H2] from Calcium Carbide :
(h) Ethyne [C2H2] from 1,2, dibromoethane [ethylene dibromide] by -dehydrohalogenation :
(i) Ethanol [C2H5OH] by hydrolysis of alkylhalide:
(j) Ethanol [C2H5OH] by hydration of ethene:
(k) Ethanoic acid [CH3COOH] by oxidation of alcohol :
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Related Questions
Give equations for the conversions of – Methane, Ethane:
Methane to Ethane to (a) Carbon tetrachloride (a) Hexachloro ethane by - Substitution [diffused sunlight] (b) Carbon dioxide (b) Carbon dioxide by - Oxidation - Complete (c) Methanol
to
Methanal
to
Methanoic acidEthanol
to
Ethanal
to
Ethanoic acidby - Oxidation
(i) catalytic using - catalyst copper [Cu]
(ii) Controlled using acidified K2Cr2O7(d) Methnal Ethanal by- Oxidation - Catalytic - using catalyst MoO (e) Ethyne Ethene by - Pyrolysis [dehydrogenation] Draw the structural formula of each of the following :
Ester
(a) Methyl methanoate [methyl formate]
(b) Methyl ethanoate [methyl acetate]
(c) Ethyl ethanoate [ethyl acetate]
Give the IUPAC name of the compounds numbered (i) to (v).
Give equations for the conversions of – Ethene, Ethyne to:
Ethene Ethyne (a) Ethane (a) Ethane [2 steps ] by - Catalytic hydrogenation - H2 (b) 1,2 dichloroethane (b) 1,1,2,2 tetrachloroethane [2 steps] by- Halogenation - Cl2 (c) 1,2 dibromoethane (c) 1,1,2,2 tetrabromoethane [2 steps] - Br2 (d) 1,2 diiodoethane (d) 1,2 diiodoethene - I2 (e) Bromoethane/Chloroethane (e) 1,1 -dibromo & 1,1-dichloroethane by- Halogen acids - HBr/HCl
by - Polymerization(f) Polyethylene (f) Copper or silver Acetylide by Ammoniacal - CuCl/AgNO3