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Compound X is a flavour compound that occurs in many plants. Its structure is shown below. (i) State the IUPAC name of compound X. (ii) State the name of the functional group represented by the C=O bond itself in compound X. (iii) Predict the size of the H–C=O…
1-Bromobutane, CH3CH2CH2CH2Br, is used as a solvent and as a building block for other organic compounds. (i) Predict the organic compound produced from 1-bromobutane and hydroxide ions. (ii) Deduce the type of reaction in (i) and give a reason for your…
Methane reacts with bromine gas in the presence of UV radiation to produce brominated hydrocarbons. (i) Explain, using an equation, how a bromine molecule undergoes homolytic fission. (ii) Using two equations, explain the propagation steps in the substitution…
Propene can be reduced to propane by hydrogen gas in the presence of a platinum catalyst at 50 °C. Outline how the catalyst increases the rate of this reaction.
What is the number of hydrogen atoms in 0.200 mol of propylamine, C3H7NH2? NA = 6.02 × 1023 mol−1 A. 1.20 × 1023 B. 1.08 × 1024 C. 8.43 × 1023 D. 1.08 × 1025
Reactions of halogenoalkanes with hydroxide ions are an example of nucleophilic substitution. Deduce the equation, showing the movement of electrons with curly arrows, for the reaction of 1-chloropropane with aqueous potassium hydroxide.
Propane undergoes complete combustion. C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(g) (i) Calculate the enthalpy change of reaction, ΔH, in kJ mol−1, for the combustion of propane. Use section 12 of the data booklet. (ii) State the…
The compounds butan-1-ol and ethoxyethane have the same molar mass. Their structures are shown below. Explain, with reasons, why butan-1-ol has a higher boiling point than ethoxyethane.
Ethane, C2H6, reacts with chlorine, Cl2, to produce chloroethane, C2H5Cl. Deduce the initiation step and two propagation steps for the mechanism of this reaction.
What is the empirical formula of an alcohol with 60.0 % mass carbon and 13.4 % mass hydrogen? A. C3H7 B. C6H16O2 C. C3H8O D. C2H6O