Why is MgO a Lewis base?

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Why is MgO a Lewis base?

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Answer 1 · 2016-03-04T08:17:41

$O^{2 -}$ $O^(2-)$ in $M g O$ $MgO$ acts as donor of lone pair of electron to $H^{+}$ $H^+$

Explanation:

When water is added $O^{- 2}$ $O^-2$ ion in it forms $O H^{-}$ $OH^-$ by donating lone pair of electron to $H^{+}$ $H^+$ formed by ionisation of $H_{2} O$ $H_2O$

Thus
$H_{2} O ⇌ H^{+} + O H^{-}$ $H_2OrightleftharpoonsH^+ +OH^-$

$O^{- 2} + H^{+} = O H^{-}$ $O^-2 +H^+=OH^-$

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Why is MgO a Lewis base?

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