WAEC Chemistry 2023 Objective — Question 43
Question 43 of 50 from the West African Examinations Council (WAEC) Chemistry 2023 Objective paper, with the correct answer and a full explanation.
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Copper (II) ions are able to participate in co-ordinate covalent bonding because they
- A. are coloured
- B. have unpaired electrons
- C. have vacant d-orbitalsCorrect
- D. are positively charged
Explanation
Copper (II) ions can participate in co-ordinate (dative) covalent bonding because they have vacant d-orbitals that can accept electron pairs.
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