Answered: (d) [Cr(OH)2]¿* ions are pale…

(d) [Cr(OH)2]¿* ions are pale blue-green but chromate (Cr,O,) ion is an intense yellow in colour. Characterise the origins of the transition and explain. 3+

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter20: Chemistry Of Selected Transition Elements And Coordination Compounds

Section: Chapter Questions

Problem 55QRT

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Concept explainers

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.

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(d) [Cr(OH)2]¿* ions are pale blue-green but chromate (Cr,O,) ion
is an intense yellow in colour. Characterise the origins of the
transition and explain.

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Give the number of delectrons (n of dn) for the cen-tral metal ion in (a) [Cr(H2O)6](ClO3)2; (b) [Mn(CN)6]2-; (c) [Ru(NO)(en)2Cl]Br.
Give the number of d electrons (n of dn) for the central metal ion in (a) [Cr(H2O)6](ClO3)2; (b) [Mn(CN)6]2-; (c) [Ru(NO)(en)2Cl]Br.
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