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Which of the following compound on react...

Which of the following compound on reaction with NaOH and `Na_2 O_2` gives yellow colour?

A

`Cr(OH)_(3)`

B

`Zn(OH)_(2)`

C

`Al(OH)_(3)`

D

none of these

Text Solution

Verified by Experts

`3Na_(2) O_(2) +2Cr(OH)_(3) overset(Delta) to 2NaOH +2H_(2)O + underset("Yellow")(2Na_(2)CrO_(4))`
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