DP Chemistry Questionbank
4.2 Covalent bonding
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[N/A]Directly related questions
- 18M.2.sl.TZ2.6a.ii: The graph shows the boiling points of the hydrides of group 16 elements. Explain the increase...
- 18M.2.sl.TZ2.6a.i: Explain why the hydrides of group 16 elements (H2O, H2S, H2Se and H2Te) are polar molecules.
- 18M.1.sl.TZ2.11: What are the predicted electron domain geometries around the carbon and both nitrogen atoms in...
- 18M.1.sl.TZ2.10: Which species has the longest carbon to oxygen bond length? A. CO B. CH3OH C. ...
- 17N.1.sl.TZ0.9: The electronegativity values of four elements are given. What is the order of increasing...
- 17N.1.sl.TZ0.10: Which compound has the shortest C–N bond? A. CH3NH2 B. (CH3)3CNH2 C. CH3CN D. CH3CHNH
- 17M.2.sl.TZ2.4a.i: State and explain the difference in bond strength between the nitrogen atoms in a hydrazine and...
- 17M.1.sl.TZ2.10: Which bonds cause the boiling point of water to be significantly greater than that of...
- 17M.1.sl.TZ2.9: How many bonding electrons are there in the urea molecule? A. 8 B. 16 C. 20 D....
- 17M.3.sl.TZ1.6a: Determine the type of bond present in SbBr3, showing your method. Use sections 8 and 29 of the...
- 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.TZ1.10: Which two atoms form the most polar bond? A. C and F B. C and Cl C. Si and F D. ...
- 16N.3.sl.TZ0.6c: (i) Suggest why incomplete combustion of plastic, such as polyvinyl chloride, is common in...
- 16N.3.sl.TZ0.3b: Predict the predominant type of bonding for a binary compound AB in which the electronegativity...
- 16N.1.hl.TZ0.11: How many electrons form the carbon–oxygen bond in methanal, HCHO? A. 2 B. 4 C. 8 D. 12
- 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.TZ0.10: Which compound contains both ionic and covalent bonds? A. SIH4 B. NaNO3 C. H2CO D. Na2S
- 16M.1.sl.TZ0.9: Which molecule is non-polar? A. OF2 B. NH3 C. BF3 D. SO2
- 15M.1.hl.TZ1.11: Which substance has the following properties? • Low melting point • Very soluble in...
- 15M.2.hl.TZ1.1e: Predict and explain the difference in carbon-oxygen bond lengths in ethanedioic acid and its...
- 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.TZ2.9a.i: State and explain the electrical conductivities of these two chloride compounds in their liquid...
- 15M.2.hl.TZ2.9d.i: Describe the covalent bond between carbon and hydrogen in the molecule above and how it is formed.
- 15M.1.sl.TZ2.12: Which statement is correct about carbon-oxygen bond lengths? A. The C–O bond lengths are...
- 15M.2.sl.TZ2.6b.iii: Describe the covalent bond present in the chlorine molecule and how it is formed.
- 14M.1.hl.TZ1.11: A solid has a melting point of 1582 °C and does not dissolve in water. It does not conduct...
- 14M.1.hl.TZ2.10: What is the difference between the strength and the length of the carbon-oxygen bond in butanal...
- 14M.1.sl.TZ1.10: Which combination of length and strength of the carbon‒to‒carbon bonds in...
- 14M.1.sl.TZ2.11: Which compounds contain both ionic and covalent bonding? I. ...
- 14M.2.sl.TZ2.2d: (i) State the formula of the compound that boron forms with fluorine. (ii) Explain...
- 14N.1.hl.TZ0.10: Which sequence has the molecules in order of increasing nitrogen-nitrogen bond length? A. ...
- 14N.2.hl.TZ0.8c: (i) Magnesium reacts with oxygen to form an ionic compound, magnesium oxide. Describe how the...
- 14N.2.hl.TZ0.8d: (i) Predict the type of hybridization of the carbon and oxygen atoms in...
- 14N.1.sl.TZ0.11: Which molecule is non-polar? A. \({\text{CC}}{{\text{l}}_{\text{4}}}\) B. ...
- 14N.1.sl.TZ0.10: Which diatomic molecule has the strongest bonding between its atoms? A. ...
- 14N.2.sl.TZ0.6e: (i) Deduce the Lewis structure of \({\text{PH}}_4^ + \). (ii) Predict, giving a...
- 13N.2.hl.TZ0.3a.ii: State which atoms are covalently bonded.
- 13N.2.hl.TZ0.5g: Outline how the length of the N–N bond in trinitramide compares with the N–N bond in nitrogen...
- 13N.2.hl.TZ0.6f.i: Describe the differences in the hybridization of these group 4 elements and the precise nature of...
- 13N.2.hl.TZ0.7c.i: The strength of the hydrogen–halogen bond.
- 13N.2.sl.TZ0.4d: Outline how the length of the N–N bond in trinitramide compares with the N–N bond in nitrogen...
- 13N.2.sl.TZ0.3a.ii: State which atoms are covalently bonded.
- 13M.2.sl.TZ1.6c.ii: Describe how covalent bonds are formed.
- 13M.1.sl.TZ2.12: Which statements are correct for the bonds between two carbon atoms? I. Single bonds are...
- 13M.2.sl.TZ2.5c: Using electronegativity values from Table 7 of the Data Booklet, state and explain which of the...
- 12N.1.sl.TZ0.11: Which bond is the least polar? A. C–H B. F–H C. O–H D. N–H
- 12N.1.sl.TZ0.13: Which statement about the physical properties of substances is correct? A. The only solids...
- 10N.2.hl.TZ0.7a: (i) Draw the Lewis (electron dot) structure for N2H4 showing all valence electrons. (ii) ...
- 10N.2.sl.TZ0.4a: (i) Draw Lewis (electron dot) structures for...
- 09M.2.sl.TZ1.6a.ii: List, with an explanation, the three compounds in order of increasing carbon to oxygen bond...
- 09M.2.sl.TZ1.6a.i: Draw the Lewis structures for carbon monoxide, CO, carbon dioxide,...
- 09M.2.hl.TZ2.5d: Explain, using diagrams, why \({\text{N}}{{\text{O}}_{\text{2}}}\) is a polar molecule but...
- 09M.1.sl.TZ2.13: Which molecule has the shortest bond between carbon atoms? A. ...
- 09M.2.sl.TZ2.1b.vi: The following is a three-dimensional computer-generated representation of aspirin. A third...
- 09M.1.sl.TZ2.10: Which statement best describes the intramolecular bonding in HCN(l)? A. Electrostatic...
- 09M.2.sl.TZ2.7c: Explain, using diagrams, why CO and \({\text{N}}{{\text{O}}_{\text{2}}}\) are polar molecules but...
- 11M.2.sl.TZ1.7e: Describe the bonding within the carbon monoxide molecule.
- 11M.1.sl.TZ2.11: When \({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{2}}}\),...
- 11M.1.sl.TZ2.12: The number of electrons in the valence shell of elements A and B, are 6 and 7 respectively. What...
- 12M.2.hl.TZ2.7c.i: Aluminium chloride, \({\text{A}}{{\text{l}}_{\text{2}}}{\text{C}}{{\text{l}}_{\text{6}}}\), does...
- 12M.1.sl.TZ2.11: Which single covalent bond is the most polar, given the following electronegativity...
- 12M.2.sl.TZ2.5a: (i) Distinguish between the terms empirical formula and molecular formula. Empirical...
- 11N.1.sl.TZ0.13: Which bonds are arranged in order of increasing polarity? A. H–F \( < \) H–Cl \( < \)...
