In complex compounds the central metal atom can act as:

a Lewis acid

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a Lewis base

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a Bronsted acid

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a Arrhenius acid

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Solution

The correct option is A a Lewis acid
In complex compounds, central atom is bonded with legends through the coordinate bond in which lone pair of ligand is coordinated in the valence shell of central metal.
Lewis acid => an electron pair acceptor

So central metal acts as lewis acid.

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In complex compounds the central metal atom can act as:

The correct option is A a Lewis acidIn complex compounds, central atom is bonded with legends through the coordinate bond in which lone pair of ligand is coordinated in the valence shell of central metal.Lewis acid => an electron pair acceptorSo central metal acts as lewis acid.

The correct option is A a Lewis acid
In complex compounds, central atom is bonded with legends through the coordinate bond in which lone pair of ligand is coordinated in the valence shell of central metal.
Lewis acid => an electron pair acceptor

So central metal acts as lewis acid.