Which of the following is an amphoteric hydroxide?

  • Option 1)

    Sr(OH)_2

  • Option 2)

    Ca(OH)_2

  • Option 3)

    Mg(OH)_2

  • Option 4)

    Be(OH)_2

Answers (1)

Option 4 Be(OH)_2

An Amphoteric hydroxide can neutralize acids and bases.

\\\textup{Acid:}\;Be(OH)_2 + 6H^+\longrightarrow 2Be^{2+} + 2H_2O \\\textup{Base:}\;Be(OH)_2 + 2OH^- \longrightarrow Be(OH)^{2-}_4


Option 1)

Sr(OH)_2

Option 2)

Ca(OH)_2

Option 3)

Mg(OH)_2

Option 4)

Be(OH)_2

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