Question

observation when sodium hydroxide is added to a solution containing zinc ions​

Answer 1

Answer:

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Explanation:

If excess sodium hydroxide is added, the precipitate of zinc hydroxide will dissolve, forming a colorless solution of zincate ion: Zn(OH)2 + 2 OH− →Zn(OH)42−. This property can be used as a test for zinc ions in solution, but it is not exclusive, since aluminum and lead compounds behave in a very similar manner.

Answer 2

Answer:

ZnOH+Na

Explanation:

NaoH+Zn=ZnOH+Na