1) A transition metal is defined as... a) having a full d sub shell b) having a partially full d sub shell in its atom or one of its ions c) having a partially filled d sub shell d) having an empty d sub shell 2) Which if these statments about ligands is incorrect a) It is a lewis acid b) It is a lewis base c) It donates one or more pairs of electrons d) It forms coordinate bonds 3) A complex ion is a) The number of ligands surrounding the metal b) a complicated charged partical c) a central metal ion surrounded by ligands d) Ligands surrounded by metal ions 4) What is the coordination number a) The number of unidentate ligands surrounding the central metal ion b) The number of bidentate ligands surrounding the central metal ion c) The muber of multidentate ligands surrounding the central ion 5) What shape is cis-platin? a) linear b) tetrahedral c) square planar d) octahedral 6) What shape are silver complexes? a) linear b) tetrahedral c) square planar d) octahedral 7) Usually complexes with chloride ions as ligands are which shape... a) linear b) tetrahedral c) square planar d) octahedral 8) Which of the following is the silver complexes is used to distinguish between aldehydes and ketones? a) [Ag(NH₃)₂]⁺ b) [Ag(S₂O₃)₂]³⁻ c) [Ag(CN)₂]⁻ 9) Which of the following is the silver complexes is used in photography? a) [Ag(NH₃)₂]⁺ b) [Ag(S₂O₃)₂]³⁻ c) [Ag(CN)₂]⁻ 10) Which of the following is the silver complexes is used in electrplating? a) [Ag(NH₃)₂]⁺ b) [Ag(S₂O₃)₂]³⁻ c) [Ag(CN)₂]⁻ 11) Which of the following colours is NOT observed when ammonium vanadate is reduced with zinc and HCl a) orange b) green c) pink d) blue 12) The oxidation state in K₂Cr₂O₇ is... a) +4 b) -4 c) +5 d) +6 13) Which of the following species is most likely to act as a reducing agent? a) VO²⁺ b) VO₃⁻ c) V²⁺ d) V³⁺ 14) [Fe(H₂O)₆]²⁺ is what colour solution.... a) pink b) blue c) pale green d) yellow 15) In heterogeneous catalysis the process is... a) absorption, reaction,desorption b) adsorption, reaction desorption c) desorption,reaction, adsorption d) reaction, adsorption, desorption 16) Define catalysis.. a) Provides an alternative route b) Lowers activation energy c) Speeds up a chemical reaction without being used up in the process 17) Describe how a catalyst works.. a) Provides an alternative route of lower activation energy b) Speeds up a chemical reaction c) Is not used up in the reaction 18) [Cu(H₂O)₆]²⁺ is what colour solution? a) pink b) blue c) pale green d) yellow 19) [Co(H₂O)₆]²⁺ is what colour solution? a) pink b) blue c) pale green d) yellow 20) [Cr(H₂O)₆]³⁺ is observed as what colour solution? a) ruby b) green c) pale violet d) yellow/brown 21) [Cr(H₂O)₆]³⁺ should look what colour solution? a) ruby b) green c) pale violet d) yellow brown 22) [Fe(H₂O)₆]³⁺ is observed as what colour solution... a) ruby b) green c) pale violet d) yellow/brown 23) Fe(H₂O)₆]³⁺ should look what colour solution? a) ruby b) green c) pale violet d) yellow/brown 24) [Cr(NH₃)₆]³⁺ is what colour solution? a) ruby b) green c) purple d) deep blue 25) [Cu(NH₃)₄(OH)₂]³⁺ is what colour solution? a) pale blue b) deep blue c) pink d) pale yellow 26) [Co(NH₃)₆]³⁺ is what colour solution? a) pale blue b) pink c) green d) pale yellow 27) What colour precipitate is [Fe(H₂O)₃(OH)₃] a) green b) blue c) grey/green d) red/brown 28) What colour precipitate is [Al(H₂O)₃(OH)₃] a) blue b) pink c) white d) yellow 29) What colour precipitate is [Fe(H₂O)₄(OH)₂] a) green b) blue c) grey/green d) red/brown 30) What colour solution is [CuCl₄]²⁻? a) pale yellow b) yellow/green c) grey/green d) blue

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