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Q 3121634521.     (a) Why does carbon form compounds by covalent bonding ?
(b) An organic acid 'X' is a liquid which often freezes during winter time in cold countries. It has
the molecular formula `C_2 H_4 O_2` . On warming with ethanol in the presence of a few drops of
sulphuric acid, a compound 'Y' with sweet smell is formed.
(i) Identify X and 'Y'. (ii) Write chemical equation for the reaction involved.
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)