Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Cr(OH)₃+H₂O₂⇒CrO₄⁻²+H₂O THE number of OH⁻ required to balance the equation is

alkali i wrote it there bcz it means in presence of
sir did u get any idea


 Cr(OH)_{3}  + H_{2} O_{2}  --------->Cr O_{4}  ^{2-}  + H_{2}O
on balancing the equation in the basic medium
balanced equation is:
 Cr(OH)_{3}  +  4 H_{2} O_{2}  --------->Cr O_{4}  ^{2-}  +  4 H_{2}O  +  3 OH^{-}
so three  OH^{-} is required to balance the equation.

0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts