Multiple choice

Which of the following statements is not true?

  1. Central metal atoms/ions in coordination complexes are Lewis acids.

  2. The secondary valency represents oxidation number of the central metal ion.

  3. Ligands are Lewis bases.

  4. Coordination number of cobalt in the compound [Co(ox)3]3- is 6.

  5. Oxidation number of cobalt in complex ion [CoCl2(en)2]+ is +3
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The secondary valency represents coordination number of the central metal ion.

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