Shapes of complex ions and isomerism Quiz
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5 questions, one answer each
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1. What is the shape of [Cu(H₂O)₆]²⁺?
- A. Tetrahedral
- B. Octahedral
- C. Square planar
- D. Linear
2. Which complex ion shows cis-trans isomerism?
- A. [CoCl₄]²⁻
- B. [Ag(NH₃)₂]⁺
- C. [Co(NH₃)₄Cl₂]⁺
- D. [Cu(H₂O)₆]²⁺
3. Which complex ion shows optical isomerism?
- A. [Ni(en)₃]²⁺
- B. [Ni(NH₃)₆]²⁺
- C. [Pt(NH₃)₂Cl₂]
- D. [CuCl₄]²⁻
4. Why is [CuCl₄]²⁻ tetrahedral rather than octahedral?
- A. Cl⁻ is positively charged
- B. Cl⁻ is larger than H₂O so only four fit
- C. Cl⁻ is a bidentate ligand
- D. Cu²⁺ is too large
5. Which statement about cisplatin is correct?
- A. It is octahedral
- B. It is the trans isomer of Pt(NH₃)₂Cl₂
- C. It is a square planar complex with the Cl⁻ ligands adjacent
- D. It is a tetrahedral complex