What is the nature of hydroxides and oxides of boron?

acidic

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basic

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neutral

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none of these

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Solution

The correct option is A acidic
Boron oxides and hydroxides are acidic in nature.
When they react with water, they produce acids which gives $H^{+}$ ion. It can denote $H^{+}$ ion.
eg- $B_{2} O_{3}$ $+$ $3 H_{2} O$ $⟶$ $2 H_{3} B O_{3}$
Boric acid
$B (O H)_{3}$ $H_{2} O ⇌$ $H B O_{2}$
Oxoborinic
acid

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