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What is Co-ordination number?...

What is Co-ordination number?

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(i) The number of ligand donor atoms bonded to a central metal ion in a complex is called the coordination number of the metal
(ii) In other words, the coordination number is equal to the number of ` sigma `-bonds between ligands and the central atom.
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Knowledge Check

  • Assertion (A) : The packing efficiency is maximum for the fcc structure. Reason ( R ) : The co-ordination number is 12 in fcc structure.

    A
    Both assertion and reason are true and reason is the correct explanation of assertion.
    B
    Both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    Assertion is true but reason is false
    D
    Both assertion and reason are false.

  • Co-ordination number in ABAB….. Type arrangement is "___________"

    A
    6
    B
    8
    C
    12
    D
    6

  • Coordination number of Co in [Co(F)_(6)]^(3-)

    A
    `3`
    B
    `6`
    C
    `8`
    D
    `9`

    • Similar Questions

    Explore conceptually related problems

    Define co -ordination number ? What is the coordination number of each constituent particle present at (i) simple cubic , (ii) body centered cubic and (iii) face centered cubic unit cell ?

    What is Co-ordination polyhedron?

    What are Co-ordination isomers ? Give examples

    Give an example for the complexes possessing co-ordination number 8 and 7.

    What is oxidation state of a central atom in a co-ordination entity?

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