following compounds based on the pattern of carbon chain and give their structural formula: (i) Propane (ii) Benzene (iii) Cyclobutane (iv) Furan . How is ethanoic acid prepared from ethanol? Give the chemical equation. .
How do detergents cause water pollution? Suggest remedial measures to prevent this pollution? . Differentiate soaps and detergents.
VI. Long answer questions . What is called homologous series? Give any three of its characteristics?
. Arrive at, systematically, the IUPAC name of the compound: CH –CH –CH –OH. . How is ethanol manufactured from sugarcane?
. Give the balanced chemical equation of the following reactions: (i) Neutralization of NaOH with ethanoic acid. (ii) Evolution of carbon dioxide by the action of ethanoic acid with NaHCO . (iii) Oxidation of ethanol by acidified potassium dichromate.
(iv) Combustion of ethanol. . Explain the mechanism of cleansing action of soap. VII.
HOT questions . The molecular formula of an alcohol is C H O. The locant number of its –OH group is . (i) Draw its structural formula.
(ii) Give its IUPAC name. (iii) Is it saturated or unsaturated? . An organic compound ‘A’ is widely used as a preservative and has the molecular formula C H O .
This compound reacts with ethanol to form a sweet smelling compound ‘B’. (i) Identify the compound ‘A’. (ii) Write the chemical equation for its reaction with ethanol to form compound ‘B’. (iii) Name the process.
REFERENCE BOOKS . Organic chemistry - B.S.Bahl & Arun Bahl S.Chand publishers, New delhi. . Organic chemistry - R.T.Morrision & R.MN.
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