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Transition metal with low oxidation stat...

Transition metal with low oxidation state will act as:

A

a base

B

an acid

C

both (a) and (b)

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Transition metal ions in lower oxidation states form cations. These cations act as Lewis acids e.g.,
`Fe rarr Fe^(2 +)` (Lewis acid) `+ 2 e^(-e)`.
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Knowledge Check

  • Transition elements in lower oxidation states act as Lewis acid because:

    A
    they form complexes
    B
    they are oxidising agents
    C
    they donate electrons
    D
    they do not show catalytic properties.

  • In which complex is the transition metal in zero oxidation state:

    A
    `[Co(NH_3)_6 Cl_2]`
    B
    `[Fe(H_2O)_6]SO_4`
    C
    `H[Co(CO)_4]`
    D
    `K_4[Ni(CN)_4]`

  • Which of the following transition metal has zero oxidation state ?

    A
    `[Fe(CO_(5))]`
    B
    `NH_(2).NH_(2)`
    C
    `NOClO_(4)`
    D
    `CrO_(5)`

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    Transition metals show variable oxidation states because of :

    In which of the following compounds transition metal is in oxidation state zero

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