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(i) Write chemical equation for lab preparation of ethene. (ii) What happens (Give chemical equation involved in each case.) a) when ethene is passed through Br2 water b) Propene reacts with HBr in the presence of peroxide (iii) Convert: a. Ethyne to Benzene b. Benzene to Acetophenone
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1 mole of CO2 occupies 24 dm3 at room temperature and pressure. Calculate the following: (a) The mass of 6 litres of CO2. (b) The volume occupied by 60 g of CO2. [Atomic weight: C=12, O=16]
Define: (a) Electrolyte (b) Catenation
Name the most appropriate method of preparation of the following salts: (a) Copper carbonate (b) Sodium sulphate (c) Ferric chloride
Complete and balance the following equation: (a) C2H5Br + KOH (alcoholic) → (b) C2H5OH → (conc. H2SO4, 170°C) (c) CH4 + Cl2 →
