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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.
Which of the following complex is paramagnetic in nature ?

A

`K_(4)[Fe(CN)_(6)]`

B

`K_(3)[Fe(CN)_(6)]`

C

`Pt[(NH_(3))_(4)]^(2+)`

D

None of these

Text Solution

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The correct Answer is:
B
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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+) ?

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 hybridisation of [Ni(H_(2)O)_(6)]^(2+) ?

The crystal field theory attributes the colour of cooedination compounds to

Valence bond theory explains the colour of the coordination compounds .

Which of the following is not correct for crystal field theory ?

According to crystal field theory (CFT) :

Give reason for the fact that crystal field theory is not applied to complexes of many group metals .