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  • Amphoteric hydroxides react with both alkalies and acids. Which of the following Group 2 metal hydroxides is soluble in sodium hydroxide?

Amphoteric hydroxides react with both alkalis and acids. Which of the following Group 2 metal hydroxides is soluble in sodium hydroxide?
(i) Be(OH)_{2}
(ii) Mg(OH)_{2}
(iii) Ca(OH)_{2}
(iv) Ba(OH)_{2}

Answers (1)

The answer is that the option (i) Be(OH)_{2} is an amphoteric hydroxide. It reacts with the base to give beryllate and water.

Be(OH)_{2}+2NaOH \rightarrow BeCl_{2}+2H_{2}O

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