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According to Werner's theory, the primar...

According to Werner's theory, the primary valencies of the central metal atom

A

are satisfied by negative ions or neutral molecules

B

are satisfied by negative ions

C

are equal to its coordination number

D

decide the geometry of the complex

Text Solution

Verified by Experts

The correct Answer is:
A
A transition metal complex absorbs visible light only if it has unpaired electrons.

No unpaired electron so , does not absorb visible light.
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Knowledge Check

  • According to Werner's theory, the secondary valencies of the central metal atom correspond to its

    A
    oxidation state
    B
    co-ordination number
    C
    any of the (A) or (B)
    D
    neither of the two.

  • According to Werner's theory, how many types of valencies are shown by central metal atom?

    A
    1
    B
    2
    C
    3
    D
    4

  • According to Werner's theory the geometry of the complex is determined by

    A
    only from the primary valence in space
    B
    number and position of the primary valences in space
    C
    number and position of the secondary valences in space
    D
    only from the position of secondary valence in space

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    Consider the following statements: According the Werner's theory. (1) Ligands are connected to the metal ions by ionic bonds. (2) Secondary valencies have directional properties (3) Secondary valencies are non-ionisable Of these statements :

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