Zadanie 6
Which sequence shows the oxides in order of increasing acidity? A. P4O10 < MgO < Al2O3 B. Al2O3 < P4O10 < MgO C. P4O10 < Al2O3 < MgO D. MgO < Al2O3 < P4O10
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Which sequence shows the oxides in order of increasing acidity? A. P4O10 < MgO < Al2O3 B. Al2O3 < P4O10 < MgO C. P4O10 < Al2O3 < MgO D. MgO < Al2O3 < P4O10
Suggest how the rate of this reaction could be determined experimentally.
Explain how a catalyst such as manganese(IV) oxide increases the rate of this reaction.
Propanoic acid reacts with methanol to produce an ester. (i) Draw the full structural formula of the organic product. (ii) Predict the number of signals, and their splitting patterns, in the 1H NMR spectrum of this ester. (iii) The chemical shifts in…
(i) Write the equation for the complete combustion of propan-1-ol, CH3CH2CH2OH. (ii) Determine the enthalpy change, in kJ mol−1, for the combustion of gaseous propan-1-ol to give gaseous carbon dioxide and gaseous water, using bond…
The unbalanced equation below shows an oxide of an element X reacting with water. + H2O → H2XO4 Which of these oxides could be the missing reactant? A. Na2O B. SO2 C. P4O10 D. SO3
The skeletal formulae of two esters with the molecular formula C4H8O2 are shown. (i) Deduce the number of signals you would expect in the 1H NMR spectrum of each compound. (ii) Outline why infrared spectroscopy is not used to differentiate between…
Glucose, C6H12O6, is oxidized in the body by respiration to carbon dioxide and water. The standard enthalpy of combustion of glucose is −2803 kJ mol−1. Determine the energy, in kJ, released by the complete oxidation of 12.5 g of glucose.
Sucrose, C12H22O11, and the triglyceride glyceryl tripalmitate, C51H98O6, can both be completely oxidized in the body to carbon dioxide and water. Write balanced equations for the complete oxidation of each compound. C12H22O11:…
Which properties decrease down group 17, the halogens? I. electronegativity II. first ionization energy III. melting point A. I and II only B. I and III only C. II and III only D. I, II and III