Which one of the following acts as a Lewis base in complexes?

_{2}

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_{3}

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_{3}

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BCl

_{3}

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Solution

The correct option is B NH $_{3}$
$N H_{3}$ acts as a Lewis base in complexes. It has a lone pair of electrons on it, which it can readily donate to another atom or molecule. While $C O_{2}, B F_{3}, B C l_{3}$ acts as lewis acid.

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Which one of the following acts as a Lewis base in complexes?

The correct option is B NH3NH3 acts as a Lewis base in complexes. It has a lone pair of electrons on it, which it can readily donate to another atom or molecule. While CO2,BF3,BCl3 acts as lewis acid.

The correct option is B NH $_{3}$
$N H_{3}$ acts as a Lewis base in complexes. It has a lone pair of electrons on it, which it can readily donate to another atom or molecule. While $C O_{2}, B F_{3}, B C l_{3}$ acts as lewis acid.