The compound or complex ion which has a ring in its structure__________________?
Correct answer: B. chelate
- A. polydentate ligand
- B. chelate
- C. monodentate ligand
- D. hydrate
Explanation
A chelate is a coordination species in which a multidentate ligand attaches to the same metal through two or more donor atoms and forms one or more rings. The likely alternative is polydentate ligand, but that describes the ligand's number of donor atoms, whereas the ring-containing complex is called a chelate.
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About Electronic Structure of d-Block Elements
The electronic structure of d-block elements covers the filling of the (n-1)d and ns orbitals, general electronic configurations, and the exceptions shown by chromium and copper. It explains how partially filled d orbitals produce variable oxidation states, coloured ions, magnetic behaviour and complex formation, while distinguishing transition elements from elements with completely filled d subshells.
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