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Crystal field theory was proposed by H.b...

Crystal field theory was proposed by H.beths (1929) and Van Vleck (1932) and as originally applied to ionic crystals to explain their optical properties and is, therefore, called crystal field theory, however, this theory was applied to the study of coordination compounds in 1950 and this theory accounts for more satisfactory expalnation for the properties of complexes especially colour and magnetism.
What is the geometry of `[Co(NH_(3))_(6)]^(2+)`?

A

Octahedral

B

Tetrahedral

C

Square planar

D

Square pyramidal

Text Solution

Verified by Experts

The correct Answer is:
A

`[Co(NH_(3))_(6)]^(2+)`
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The colour of the coordination compounds depends on the crystal field splitting . What will be the correct order of obsorption of wavelength of light in the visible region, for the comolexes, [Co(NH_(3))_(6)]^(3+) m and [Co(H_(2)O)_(6)^(3+) ?