Question

*Transition metals form non-stoichiometric compounds.
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Answer 1

Answer:

nonstoichiometric compounds are transition metal oxides, but also include fluorides, hydrides, carbides, nitrides, sulfides, tellurides, and so on [4,12,13]. The nonstoichiometric compounds existing only in the condensed state are often classified in terms of element composition.

Answer 2

Answer:

Most of the nonstoichiometric compounds are transition metal oxides, but also include fluorides, hydrides, carbides, nitrides, sulfides, tellurides, and so on [4,12,13]. The nonstoichiometric compounds existing only in the condensed state are often classified in terms of element composition.

This non-stoichiometry (i.e. non-stoichiometric compound formation) is due to their variable oxidation states and due to their defects in their lattices. Compounds comprising transition metals likely to form non-stoichiometry, due to the variable oxidation state of the transition metal cation.

Stoichiometric defects do not disturb the stoichiometry of a compound whereas non-stoichiometric defects are defects in crystal structures that disturb the stoichiometry of the compounds. Types of non-stoichiometric defects are metal excess defects, metal deficiency defects etc.

Explanation:

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