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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]
Complete and balance the following equation: (a) C2H5Br + KOH (alcoholic) → (b) C2H5OH → (conc. H2SO4, 170°C) (c) CH4 + Cl2 →
Complete and balance the following equation: (a) C₂H₅Br + KOH (alcoholic) → (b) C₂H₅OH →(conc. H₂SO₄, 170°C) (c) CH₄ + Cl₂ →
(i) Write the equation for the preparation of ethene from ethanol, giving the condition. (ii) What do you observe when ethene is passed through bromine dissolved in carbon tetrachloride? Name the product. (iii) How would this test distinguish ethene from ethane?
