Lesson 15A.4
15A.4 Shapes of complexes and cis-platin Quiz: Pearson Edexcel Chemistry, Unit 15
20 questions
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Lesson 15A.4, Shapes of complexes and cis-platin: 20 multiple choice questions for the Pearson Edexcel Chemistry (9CH0), Unit 15: Transition Metals, written with Revision Ninja.
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The 20 questions
-
What shape do six-coordinate complexes with H2O, OH- or NH3 ligands usually adopt?
- Octahedral
- Linear
- Square planar
- Tetrahedral
-
What shape do four-coordinate complexes with large ligands such as Cl- usually adopt?
- Linear
- Tetrahedral
- Octahedral
- Trigonal bipyramidal
-
Which metal ion commonly forms square planar complexes?
- Chromium(III)
- Iron(II)
- Copper(II)
- Platinum(II)
-
What is the shape of cis-platin, [Pt(NH3)2Cl2]?
- Linear
- Tetrahedral
- Square planar
- Octahedral
-
What angle separates the identical ligands in cis-platin?
- 90 degrees
- 180 degrees
- 120 degrees
- 109.5 degrees
-
Why is cis-platin used as an anti-cancer drug instead of trans-platin?
- Trans-platin is inactive
- Trans-platin is insoluble
- Trans-platin is acidic
- Trans-platin is gaseous
-
How many geometric isomers exist for a square planar complex with formula [MA2B2]?
- Four
- One
- Two
- Three
-
What is the shape of [Ni(H2O)6]2+?
- Square planar
- Octahedral
- Linear
- Tetrahedral
-
What is the molecular geometry of the square planar complex [PtCl4]2-?
- Tetrahedral
- Square planar
- Linear
- Octahedral
-
What is the bond angle between adjacent ligands in a square planar complex?
- 109.5 degrees
- 120 degrees
- 180 degrees
- 90 degrees
-
What are the bond angles between adjacent ligands in an octahedral complex?
- 60 degrees
- 120 degrees
- 109.5 degrees
- 90 degrees
-
What is the bond angle in a regular tetrahedral complex?
- 180 degrees
- 90 degrees
- 120 degrees
- 109.5 degrees
-
What is the bond angle between the two chloride ligands in cis-platin?
- 109.5°
- 120°
- 90°
- 180°
-
Which transition metal ion typically forms square planar complexes?
- Titanium(IV)
- Iron(II)
- Platinum(II)
- Scandium(III)
-
What is the oxidation state of platinum in [Pt(NH3)2Cl2]?
- +4
- +2
- 0
- +1
-
Which isomer of [Pt(NH3)2Cl2] is used as an anticancer drug?
- Trans isomer
- Optical isomer
- Cis isomer
- Structural isomer
-
Which pair of compounds are geometric isomers of each other?
- cis- and trans-[Pt(NH3)2Cl2]
- [Co(H2O)6]2+ and [CoCl4]2-
- [Pt(NH3)4]2+ and [PtCl4]2-
- [Cu(NH3)4]2+ and [Cu(H2O)4]2+
-
How many stereoisomers exist for the octahedral complex [M(NH3)4Cl2]?
- 3
- 6
- 2
- 4
-
What is the shape of the tetrachloronickelate(II) ion, [NiCl4]2-?
- Tetrahedral
- Square planar
- Octahedral
- Trigonal bipyramidal
-
Which molecule does cis-platin bind to in cancer cells to prevent replication?
- Glucose
- Haemoglobin
- RNA
- DNA
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