Multiple choice

Metal in each metal complex possesses

  1. primary valencies satisfied by anions only

  2. secondary valencies satisfied by the donor molecules

  3. coordination number

  4. all of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In coordination complexes, the central metal atom/ion exhibits primary valency (oxidation state) satisfied by anions and secondary valency (coordination number) satisfied by ligands (donor molecules). Since all these properties are characteristic of metal complexes, 'all of these' is correct.

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