DP Chemistry Questionbank
4.4 Intermolecular forces
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[N/A]Directly related questions
- 17N.3.sl.TZ0.9c: Explain how the inclusion of carbohydrates in plastics makes them biodegradable.
- 17N.3.sl.TZ0.7b.i: Describe how the structures of LDPE and HDPE affect one mechanical property of the plastics.
- 17N.3.sl.TZ0.10a: Explain, at the molecular level, why vitamin D is soluble in fats. Use section 35 of the data...
- 17N.2.sl.TZ0.2b: Explain why the melting points of the group 1 metals (Li → Cs) decrease down the group.
- 17N.1.sl.TZ0.11: Which of the following series shows increasing hydrogen bonding with water? A. Propane <...
- 17N.3.hl.TZ0.7c: Identify the type of intermolecular bonding that is responsible for Kevlar®’s strength.
- 17N.2.hl.TZ0.3b: Explain why the melting points of the group 1 metals (Li → Cs) decrease down the group whereas...
- 17M.3.sl.TZ2.16a: Explain why diamorphine passes more readily than morphine through the blood-brain barrier.
- 17M.3.sl.TZ2.11: Suggest, in terms of its structure, why vitamin D is fat-soluble using section 35 of the data...
- 17M.3.sl.TZ2.8a: Explain which one of these fatty acids has the highest boiling point.
- 17M.2.sl.TZ2.4a.ii: State why hydrazine has a higher boiling point than dinitrogen tetraoxide.
- 17M.1.sl.TZ2.10: Which bonds cause the boiling point of water to be significantly greater than that of...
- 17M.3.sl.TZ1.19a: Suggest why aspirin is slightly soluble in water. Refer to section 37 of the data booklet.
- 17M.3.sl.TZ1.13d: The solubility of a vitamin depends on its structure. Identify the vitamin given in section 35...
- 17M.3.sl.TZ1.11b.i: The drain pipe of a kitchen sink can become clogged by fatty acids, such as linoleic acid,...
- 17M.3.sl.TZ1.10b.ii: Explain why the difference in their structures affects their melting points.
- 17M.2.sl.TZ1.2e.ii: A chloride of titanium, TiCl4, melts at 248 K. Suggest why the melting point is so much lower...
- 17M.1.sl.TZ1.24: What is the order of increasing boiling point? A. C4H10 < CH3COOH < CH3CH2CHO <...
- 17M.1.sl.TZ1.12: Which correctly states the strongest intermolecular forces in the compounds below?
- 17M.1.sl.TZ1.9: A substance has the following properties: What is the most probable structure of this...
- 16N.3.hl.TZ0.22c: (i) Uranium hexafluoride, UF6, is used in the uranium enrichment process that produces fuel for...
- 16N.3.sl.TZ0.18c: Justify the conclusion that recrystallization increased the purity of the product, by reference...
- 16N.3.sl.TZ0.18b: Suggest why isolation of the crude product involved the addition of ice-cold water.
- 16N.3.sl.TZ0.8b: The table below shows average figures for the percentage fatty acid composition of some common...
- 16N.2.sl.TZ0.1c: Explain why the boiling point of ethane-1,2-diol is significantly greater than that of ethene.
- 16N.1.sl.TZ0.11: Between which pair of molecules can hydrogen bonding occur? A. CH4 and H2OB. CH3OCH3 and CF4 C....
- 16M.2.hl.TZ0.1a: (i) Draw a Lewis (electron dot) structure of phosphine. (ii) State the hybridization of the...
- 16M.2.sl.TZ0.1a: (i) Draw a Lewis (electron dot) structure of phosphine. (ii) Outline whether you expect the...
- 16M.1.sl.TZ0.12: Which of the following are van der Waals’ forces? I. Dipole-dipole forcesII. Hydrogen...
- 15M.1.hl.TZ2.11: Which correctly lists butane \({\text{(}}{M_{\text{r}}} = {\text{58)}}\), propanone...
- 15M.2.hl.TZ1.1c: Identify the strongest intermolecular force in solid ethanedioic acid.
- 15M.2.hl.TZ1.2b.ii: Predict whether phosphorus(V) oxide and sodium oxide conduct electricity in their solid and...
- 15M.2.hl.TZ1.2b.i: Explain why the melting point of phosphorus(V) oxide is lower than that of sodium oxide in terms...
- 15M.2.hl.TZ2.10f: Explain why but-2-ene is more volatile than compound C.
- 18M.1.sl.TZ2.12: The compounds shown below have similar relative molecular masses. What is the correct order of...
- 18M.3.sl.TZ1.1a.ii: When a small amount of palmitic acid is placed in water it disperses to form a layer on the...
- 18M.3.sl.TZ1.1a.i: Part of this molecule is hydrophilic (bonds readily to water) and part hydrophobic (does not bond...
- 18M.2.sl.TZ1.1e.ii: Sketch two different hydrogen bonding interactions between ammonia and water.
- 18M.2.sl.TZ1.1e.i: Suggest one reason why urea is a solid and ammonia a gas at room temperature.
- 18M.1.sl.TZ1.12: What are the strongest intermolecular forces between molecules of propanone, CH3COCH3, in the...
- 18M.2.hl.TZ2.7e: Carbon and silicon are elements in group 14. Explain why CO2 is a gas but SiO2 is a solid at...
- 18M.2.hl.TZ1.1e.ii: Sketch two different hydrogen bonding interactions between ammonia and water.
- 18M.2.hl.TZ1.1e.i: Suggest one reason why urea is a solid and ammonia a gas at room temperature.
- 15M.1.sl.TZ1.13: The following compounds have similar molar...
- 15M.3.hl.TZ2.28b.iii: Deduce, giving a reason, whether carotenoids are water-soluble or fat-soluble.
- 15M.1.sl.TZ1.12: Which forces are present between molecules of carbon dioxide in the solid state? A. ...
- 15M.2.sl.TZ1.1d: Identify the strongest intermolecular force in solid ethanedioic acid.
- 15M.2.sl.TZ1.7b: \({{\text{C}}_{\text{5}}}{{\text{H}}_{{\text{12}}}}\) exists as three isomers. Identify the...
- 15M.2.sl.TZ2.6a.iv: Methanol has a lower molar mass than chloromethane. Explain why the boiling point of methanol is...
- 15M.2.sl.TZ2.7f: Explain why but-2-ene is more volatile than compound C,...
- 14M.1.hl.TZ2.24: Which combination of properties is correct?
- 14M.2.hl.TZ1.5c: (i) Explain why the boiling point of HF is much higher than the boiling points of the other...
- 14M.2.hl.TZ2.1h: Suggest one other reason why using water as a solvent would make the experiment less successful.
- 14M.2.hl.TZ2.5b.i: Chloric(I) acid is a weak acid, but hydrochloric acid is a strong acid. Outline how this is...
- 14M.2.hl.TZ1.7b: (i) Compare the two liquids in terms of their boiling points, enthalpies of vaporization and...
- 14M.2.hl.TZ2.1g: Propanone is used as the solvent because one compound involved in the equilibrium is insoluble in...
- 14M.2.hl.TZ2.5b.ii: State a balanced equation for the reaction of chloric(I) acid with water.
- 14M.2.hl.TZ2.5b.iii: Outline, in terms of the equilibrium in aqueous chlorine, why it is dangerous to use an acidic...
- 14M.2.hl.TZ2.5b.iv: Suggest why a covalent molecule, such as chloric(I) acid, is readily soluble in water.
- 14M.1.sl.TZ1.12: What is the correct order of increasing boiling point? A. ...
- 14M.2.sl.TZ1.4a: Deduce the order of increasing solubility in water of the three compounds.
- 14M.2.sl.TZ1.4b: Explain your reasoning.
- 14M.2.sl.TZ1.5c: (i) Explain why the boiling point of HF is much higher than the boiling points of the other...
- 14M.2.sl.TZ2.1j: Propanone is used as the solvent because one compound involved in the equilibrium is insoluble in...
- 14M.2.sl.TZ2.1k: Suggest one other reason why using water as a solvent would make the experiment less successful.
- 14M.2.sl.TZ2.4c.i: Chloric(I) acid is a weak acid, but hydrochloric acid is a strong acid. Outline how this is...
- 14M.2.sl.TZ2.4c.ii: State a balanced equation for the reaction of chloric(I) acid with water.
- 14M.2.sl.TZ2.4c.iii: Outline, in terms of the equilibrium above, why it is dangerous to use an acidic toilet cleaner...
- 14M.2.sl.TZ2.4c.iv: Suggest why a covalent molecule, such as chloric(I) acid, is readily soluble in water.
- 14M.3.sl.TZ1.18c: Explain why the triglyceride formed from linoleic acid and glycerol is a liquid and not a solid...
- 14N.2.hl.TZ0.3a: A liquid boils when its vapour pressure equals atmospheric pressure. Determine the boiling point...
- 14N.2.hl.TZ0.3b: Sketch another curve on the axes above to show how the vapour pressure of a liquid that has...
- 14N.2.hl.TZ0.10b: The oxygen in half-equation 2 is atmospheric oxygen that is found dissolved in water in very...
- 14N.1.sl.TZ0.12: Which process involves the breaking of hydrogen bonds? A. ...
- 14N.2.sl.TZ0.8b: The oxygen in half-equation 2 is atmospheric oxygen that is found dissolved in water in very...
- 13N.2.hl.TZ0.7c.ii: The interaction between an undissociated hydrogen halide molecule and a water molecule.
- 13N.2.hl.TZ0.8d: Explain why 2-methylbut-2-ene is less soluble in water than 2-methylbutan-2-ol.
- 13N.1.sl.TZ0.14: Which compound has the highest boiling point? A. ...
- 13N.2.sl.TZ0.6d: Explain why 2-methylbut-2-ene is less soluble in water than 2-methylbutan-2-ol.
- 13M.1.sl.TZ1.14: Which statements are correct about hydrogen bonding? I. It is an electrostatic attraction...
- 13M.1.sl.TZ2.14: Which series shows increasing boiling points? A. ...
- 13M.2.sl.TZ2.4a: Identify the intermolecular forces present in hydrogen iodide in the liquid state, HI(l).
- 13M.2.sl.TZ2.4b.ii: State and explain which compound can form hydrogen bonds with water.
- 13M.2.sl.TZ2.4b.iii: Draw a diagram showing the resulting hydrogen bonds between water and the compound chosen in (ii).
- 13M.2.sl.TZ2.6c.v: Suggest why monomers are often gases or volatile liquids whereas polymers are solids.
- 12N.2.sl.TZ0.4c: (i) Explain why metals are good conductors of electricity and why they are malleable. (ii) ...
- 12N.2.sl.TZ0.1b: Although the molar masses of ICl and \({\rm{B}}{{\rm{r}}_2}\) are very similar, the boiling point...
- 10N.2.hl.TZ0.2d: (i) Outline two reasons why the polymers of the alkenes are of economic importance. (ii) ...
- 10N.2.hl.TZ0.7b: Hydrazine and ethene, C2H4, are hydrides of adjacent elements in the periodic table. The boiling...
- 10N.1.sl.TZ0.13: Which order is correct when the following compounds are arranged in order of increasing melting...
- 10N.2.sl.TZ0.2c: (i) Outline two reasons why the polymers of the alkenes are of economic importance. (ii) ...
- 10N.2.sl.TZ0.4c: The boiling point of hydrazine is much higher than that of ethene. Explain this difference in...
- 10N.2.sl.TZ0.5f: (i) Deduce the structural formula of each isomer. (ii) Identify the isomer from part (f)...
- 10N.3.sl.TZ0.B2c: The formula of stearic acid is also given in Table 22 of the Data Booklet. Explain why linoleic...
- 09N.1.hl.TZ0.10: What is the correct order if the compounds are arranged in order of increasing boiling point? A....
- 09N.1.sl.TZ0.13: Which compound does not form hydrogen bonds between its molecules? A. ...
- 09N.2.sl.TZ0.4a.i: Identify the boiling points for each of the isomers A, B and C and state a reason for your answer.
- 10M.1.sl.TZ2.13: Which substance can form intermolecular hydrogen bonds in the liquid state? A. ...
- 09M.2.sl.TZ1.7a.ii: Predict, with an explanation, which of the three compounds is least soluble or miscible in water.
- 09M.2.sl.TZ1.1d: The reactants had to be stirred vigorously because they formed two distinct layers in the...
- 09M.2.sl.TZ1.7a.i: List the three compounds in order of increasing boiling point (lowest first) and explain the...
- 09M.3.sl.TZ1.B2c.iii: Determine whether cholesterol or lecithin is more soluble in water.
- 09M.1.sl.TZ2.10: Which statement best describes the intramolecular bonding in HCN(l)? A. Electrostatic...
- 09M.2.sl.TZ2.6a.v: Deduce and explain whether ethanol or A has the higher boiling point.
- 09M.2.sl.TZ2.7b.ii: The graph below shows the boiling points of the hydrides of group 5. Discuss the variation in the...
- 11M.1.sl.TZ1.10: Which compound forms hydrogen bonds in the liquid state? A. ...
- 11M.2.sl.TZ1.7d.iii: Explain why silicon dioxide is a solid and carbon dioxide is a gas at room temperature.
- 11M.2.sl.TZ1.5b.ii: sodium oxide has a higher melting point than sulfur trioxide.
- 11M.2.sl.TZ1.6a: State and explain the trend of the boiling points of the first five members of the alkene...
- 11M.2.hl.TZ2.8b.iv: Explain whether the boiling point of 1-bromopentane will be higher, lower or the same as that of...
- 11M.1.sl.TZ2.8: Which change explains why the boiling points of the halogens increase as their molecular masses...
- 11M.2.sl.TZ2.4: Methoxymethane, \({\text{C}}{{\text{H}}_{\text{3}}}{\text{OC}}{{\text{H}}_{\text{3}}}\), and...
- 11M.2.sl.TZ2.5a.i: Draw the Lewis structure of ammonia and state the shape of the molecule and its bond angles.
- 11M.2.sl.TZ2.5a.ii: The conjugate acid of ammonia is the ammonium ion, \({\text{NH}}_4^ + \). Draw the Lewis...
- 12M.1.sl.TZ2.28: Which compound has the lowest boiling point? A. ...
- 12M.2.sl.TZ2.5b: (i) State and explain which of propan-1-ol,...
- 11N.1.hl.TZ0.24: Four identical sealed containers are prepared each containing...
- 11N.2.hl.TZ0.9b.iv: Discuss the volatility of E compared to F.
- 11N.1.sl.TZ0.11: What is the correct order of increasing boiling points? A. ...
- 11N.2.sl.TZ0.4d: Based on the types of intermolecular force present, explain why butan-1-ol has a higher boiling...
- 11N.2.sl.TZ0.7b.iv: Discuss the volatility of Y compared to Z.
