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Oxyacids of Phosphorus

Classify the ...

Question

Classify the following species into Lewis acids and Lewis bases and show how these act as Lewis acid/base: (a) OH^– (b) F^– (c) H⁺ (d) BCl₃.

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Solution

(a) OH^– is a Lewis base since it can donate its lone pair of electrons.

(b) F^– is a Lewis base since it can donate a pair of electrons.

(c) H⁺ is a Lewis acid since it can accept a pair of electrons.

(d) BCl₃ is a Lewis acid since it can accept a pair of electrons.

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{O H}^{-}

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N H_{3}, B F_{3}, S n C I_{4}, C_{2} H_{5} N H_{2}, C O, N i^{+}

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^{+} C H_{3}

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Look at the following reaction:
$L i H + A l H_{3} ⟶ L i A l H_{4}$

Here $A l H_{3}$ and $L i H$ act as:

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