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a- 1) Unsaturated hydrocarbons show addition because they are formed by a 'pi bond (double bond)' and hence are reactive. So they show addition of hydrogen in favourable conditions.
2)Ethanol [ C2H5OH] has 6 hydrogen atoms and Ethanoic acid [ CH3COOH] has 4 hydrogen atoms; thus reaction of ethanol turning into ethanoic acid is an oxidation reaction because hydrogen is being removed from alcohol.
3) Alcohol is a good solvent and is thus used in industries to dissolve substances.
b - 1)
[see attachment]
3) In esterification, sulphuric acid acts as a dehydrating agent and removes water from the reactants, to form ester and water.
2)Ethanol [ C2H5OH] has 6 hydrogen atoms and Ethanoic acid [ CH3COOH] has 4 hydrogen atoms; thus reaction of ethanol turning into ethanoic acid is an oxidation reaction because hydrogen is being removed from alcohol.
3) Alcohol is a good solvent and is thus used in industries to dissolve substances.
b - 1)
[see attachment]
3) In esterification, sulphuric acid acts as a dehydrating agent and removes water from the reactants, to form ester and water.
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