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The hydroxide of which metal ion(s) whic...

The hydroxide of which metal ion(s) which is/are soluble in excess of NaOH solution

A

`A1^(3+)`

B

`zn^(2+)`

C

`Fe^(3+)`

D

`Cu^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
A, B
`2AI+underset("Excess")(2NaOH)rarr underset("Soluble")(2NaAIO_(2)+H_(2)`
`Zn+underset("Excess")(2NaOH)rarr underset("Soluble")(Na_(2)ZnO_(2)+H_(2)`
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