DP Chemistry Questionbank
13.1 First-row d-block elements
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- 18M.2.hl.TZ2.3d: Explain why transition metals exhibit variable oxidation states in contrast to alkali metals.
- 18M.2.hl.TZ1.1h: Describe the bond formation when urea acts as a ligand in a transition metal complex ion.
- 17N.2.hl.TZ0.3e: Describe, in terms of acid-base theories, the type of reaction that takes place between the...
- 17N.2.hl.TZ0.3d.ii: Deduce the charge on the complex ion and the oxidation state of cobalt.
- 17N.2.hl.TZ0.3d.i: State the shape of the complex ion.
- 17M.2.hl.TZ2.2b.iii: Explain why iron forms many different coloured complex ions.
- 17M.1.hl.TZ2.8: Ammonia is a stronger ligand than water. Which is correct when concentrated aqueous...
- 17M.2.hl.TZ1.4d: Suggest why experiments involving tetracarbonylnickel are very hazardous.
- 17M.2.hl.TZ1.4b: The nickel obtained from another ore, nickeliferous limonite, is contaminated with iron. Both...
- 17M.2.hl.TZ1.4a: Formulate an equation for the oxidation of nickel(II) sulfide to nickel(II) oxide.
- 17M.2.hl.TZ1.2e: Describe, in terms of the electrons involved, how the bond between a ligand and a central metal...
- 17M.1.hl.TZ1.8: What is the charge on the iron(III) complex ion in [Fe(OH)2(H2O)4]Br? A. 0 B. 1+ C. ...
- 16N.2.hl.TZ0.2f: Explain how ethanedioate ions act as ligands.
- 16M.2.hl.TZ0.4d: In an aqueous solution of vanadium(III) chloride, the vanadium exists as [V (H2O)6]3+, [VCl...
- 16M.2.hl.TZ0.4c: Outline, giving the full electron configuration of the vanadium atom, what is meant by the term...
- 15M.2.hl.TZ2.8a.i: Draw an orbital diagram (using the arrow-in-box notation) showing the electrons in the 4s and 3d...
- 14M.1.hl.TZ2.4: What is the abbreviated electron configuration of the cobalt(II) ion,...
- 14M.2.hl.TZ2.2b: State the full electronic configuration of a copper atom.
- 14M.2.hl.TZ1.5d.i: State the full electron configurations of Cr and \({\text{C}}{{\text{r}}^{3 +...
- 14M.2.hl.TZ1.5d.ii: \({\text{C}}{{\text{r}}^{3 + }}\) ions and water molecules bond together to form the complex ion...
- 14M.2.hl.TZ2.2c: Explain why most copper(II) compounds are coloured, whereas most copper(I) compounds are not.
- 14N.2.hl.TZ0.11f: (i) Zinc is found in the d-block of the periodic table. Explain why it is not considered a...
- 13N.1.hl.TZ0.12: Which species have dative covalent bonding? I. ...
- 13N.2.hl.TZ0.4c: Transition metals have certain characteristic properties. State two properties that are involved...
- 13M.2.hl.TZ1.7b.iii: Identify the type of bonding between iron and cyanide in...
- 13M.2.hl.TZ1.7b.ii: List three characteristic properties of transition elements.
- 13M.2.hl.TZ1.7b.iv: Deduce the oxidation number of iron in...
- 13M.2.hl.TZ2.5d.i: Define the term ligand.
- 12N.2.hl.TZ0.2b: (ii) Cobalt is a transition metal. One common ion of cobalt is...
- 12N.2.sl.TZ0.4c: (i) Explain why metals are good conductors of electricity and why they are malleable. (ii) ...
- 10N.1.hl.TZ0.8: In which complexes does iron have an oxidation number of \( + 3\)? I. ...
- 10N.1.hl.TZ0.27: Which solutions have a pH less than 7? I. ...
- 09N.2.hl.TZ0.3b: Transition elements form complexes such as...
- 10M.2.hl.TZ1.4e: Explain why copper is considered a transition metal while scandium is not.
- 10M.2.hl.TZ2.6f.i: State and explain the type of reaction that takes place between \({\text{F}}{{\text{e}}^{3 + }}\)...
- 10M.2.hl.TZ2.6f.ii: Explain why...
- 09M.2.hl.TZ1.7b.i: \({{\text{[Co(}}{{\text{H}}_{\text{2}}}{\text{O}}{{\text{)}}_{\text{6}}}{\text{]}}^{2 + }}\)
- 09M.2.hl.TZ1.7b.iii: \({{\text{[CoC}}{{\text{l}}_{\text{4}}}{\text{]}}^{2 - }}\)
- 09M.2.hl.TZ1.8b.iii: State what is meant by the term second ionization energy.
- 09M.2.hl.TZ2.3a.iii: Define the term ligand.
- 11M.1.hl.TZ2.9: Which metal nitrate solution is coloured? A. ...
- 12M.1.hl.TZ2.6: What is the electron configuration of \({\text{S}}{{\text{n}}^{2 + }}\)? A. ...
- 12M.2.hl.TZ2.9a: (i) State the full electron configuration of Fe. (ii) State the abbreviated electron...
- 11N.2.hl.TZ0.7e.i: State two characteristic properties of transition elements.
- 11N.2.hl.TZ0.7e.ii: State the type of bond formed by a ligand and identify the feature that enables it to form this...