(i) C2H5OH (ii) CH3COC2H5
(a) CH3 −CH2 −Cl
(b) H −C = O
2 marks questions:-
(i) Which member will have least number of carbon atoms?
(ii) Which member will have maximum number of carbon atoms?
3 marks questions:-
(i) Cyclohexane (ii) Propanal (iii) Chlorobutane
(i) C2H6 (ii) C2H4 (iii) C2H2
(i) Ethanol is heated at 443K with excess of concentrated sulphuric acid.
(ii) Conversion of oils (unsaturated hydrocarbon) into fats (saturated hydrocarbons)
(iii) Ethanoic acid reacts with sodium hydroxide.
(ii) Ethanoic acid
Write the chemical equations of the reactions.
(i) Blue litmus test
(ii) Reaction with sodium bicarbonate
(iii) Sodium metal test.
(i) The element carbon forms a very large number of compound.
(ii) Air holes of a gas burner have to be adjusted when the heated vessels get blackened
by the flame.
(iii) Use of synthetic detergents cause pollution of water.
Under what condition an oxidation reaction can be cancelled as combustion? [Illustrate your answer with one example each.]
5 marks questions:-
(a) A carbon compound containing two double bonds.
(b) A molecule in which central atom is linked to three, other atoms.
(c) A compound containing both ionic and covalant bonds.
(d) An organic compound which is soluble in water.
(e) A carbon compound which burns with a sooty flame.
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