Post-UTME Chemistry 2005 Objective — Question 16
Question 16 of 27 from the Post-UTME Screening (Post-UTME) Chemistry 2005 Objective paper, with the correct answer and a full explanation.
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What particles are present in solid bromide and molten lead II bromide?
- A. Solid PbBr2: ions, Molten: ionsCorrect
- B. Solid: molecules, Molten: molecules
- C. Solid: ions, Molten: atoms
- D. Solid: atoms, Molten: molecules
Explanation
PbBr2 is an ionic compound; it consists of ions in both the solid lattice (immobile) and the molten state (mobile, hence conducting).
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