Question #07037

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Question #07037

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Answer 1 · 2016-10-30T10:23:20

Al

Explanation:

$A l_{2} O_{3}$ $Al_2O_3$ is the amphoteric oxide which reacts with both acid and alkali to form salt and water.Its modrate electronegativity is behind this behavior.

Reactions

with acid

$A l_{2} O_{3} + 6 H C l \to 2 A l C l_{3} + H_{2} O$ $Al_2O_3+6HCl->2AlCl_3+H_2O$

with alkali

$A l_{2} O_{3} + 2 N a O H \to 2 N a A l O_{2} + H_{2} O$ $Al_2O_3+2NaOH->2NaAlO_2+H_2O$

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Question #07037

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