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Ligands are broadly classified into two ...

Ligands are broadly classified into two classes classical and non-classical ligands, depending on their donor annd acceptor ability. Classical ligands form classical complexes while non-classical ligands form non-classical complex. Bonding mechanism in non-classical is called synergic bonding.
Q. Which is not `pi`-acceptor ligand?

A

B

`sigma-C_(5)H_(5)^(-)`

C

`PH_(3)`

D

B_(3)N_(3)H_(6)`

Text Solution

Verified by Experts

The correct Answer is:
A
No vacant 'd' or `pi^(**)` orbitals on
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Knowledge Check

  • Ligands are broadly classified into two classes classical and non-classical ligands, depending on their donor annd acceptor ability. Classical ligands form classical complexes while non-classical ligands form non-classical complex. Bonding mechanism in non-classical is called synergic bonding. Q. Synergic bonding is absent in:

    A
    `[Mo(CO)_(6)]`
    B
    `[Cr(CO)_(3)(B_(3)N_(3)H_(6)]`
    C
    `[Sc(CO)_(6)]^(3+)`
    D
    `[Ni(CN)_(4)]^(4-)`

  • Ligands are broadly classified into two classes classical and non-classical ligands, depending on their donor annd acceptor ability. Classical ligands form classical complexes while non-classical ligands form non-classical complex. Bonding mechanism in non-classical is called synergic bonding. Q. Synergic bonding is absent in:

    A
    `[Mo(CO)_(6)]`
    B
    `[Cr(CO)_(3)(B_(3)N_(3)H_(6)]`
    C
    `[Sc(CO)_(6)]^(3+)`
    D
    `[Ni(CN)_(4)]^(4-)`

  • Ligands are broadly classified into two classes classical and non-classical ligands, depending on their donor annd acceptor ability. Classical ligands form classical complexes while non-classical ligands form non-classical complex. Bonding mechanism in non-classical is called synergic bonding. Q. In compound [M(CO)_(n)]^(x) , the correct match for highest 'M-C' bond length for given M, n and z respectively:

    A
    M-Cr, n-6, z-0
    B
    M-V, n-6, z- `-1`
    C
    M-Ti, n-6, z- `-2`
    D
    M-Mn, n-6, z- `+1`

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    Explore conceptually related problems

    Ligands are broadly classified into two classes classical and non-classical ligands, depending on their donor annd acceptor ability. Classical ligands form classical complexes while non-classical ligands form non-classical complex. Bonding mechanism in non-classical is called synergic bonding. Q. In compound [M(CO)_(n)]^(x) , the correct match for highest 'M-C' bond length for given M, n and z respectively:

    Which of the following chemical can act as non-classical ligand(s) ?

    Which of the following chemical can act as non-classical ligand(s) ?

    Which of the following chemical species can act a non-classical ligand(s) ?

    The pi acid ligand which uses it d-orbital during synergic bonding in its complex compound.

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