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Lead Monoxide

"BeO and Al...

Question

"BeO and $A l_{2} O_{3}$ are amphoteric."
Answer whether the above statement is true or false.
If true enter 1, else enter 0.

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Solution

An amphoteric compound is a molecule or ion that can react as an acid as well as a base.
$B e O$ and $A l_{2} O_{3}$ dissolves in strongly acidic or basic solutions. Therefore, these are amphoteric oxide.
$B e O + 2 H C l \to B e C l_{2} + H_{2} O$
$B e O + 2 N a O H + H_{2} O \to N a_{2} B e (O H)_{4}$
$A l_{2} O_{3} + 2 N a O H \to 2 N a A l O_{2} + H_{2} O$
$A l_{2} O_{3} + 6 H C l \to 2 A l C l_{3} + 3 H_{2} O$

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