Polarisation of ions Quiz
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5 questions, one answer each
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1. Which compound is likely to show the most covalent character?
- A. NaF
- B. KCl
- C. LiI
- D. NaCl
2. Which statement about the iodide ion is correct?
- A. It is less polarisable than F⁻
- B. It is more polarisable than Cl⁻ because its outer electrons are further from the nucleus
- C. It has a smaller radius than Br⁻
- D. It has a greater polarising power than any cation
3. Which cation has the greatest polarising power?
- A. Mg²⁺
- B. Na⁺
- C. Ca²⁺
- D. K⁺
4. What is polarisation?
- A. Transfer of an electron from an anion to a cation
- B. Distortion of the electron cloud of an anion by a cation
- C. Attraction between ions in a lattice
- D. Removal of an electron from an atom
5. Which ion is the most polarisable?
- A. F⁻
- B. Cl⁻
- C. S²⁻
- D. Na⁺