Question

The values of coefficients to balance the following reaction are $Cr\left(OH\right)_{3} + ClO^{-}+OH^{-}\to CrO_{4}^{2-}+ Cl^{-} + H_{2}O$

• A. a
• B. b
• C. c
• D. d

Answer 1

Answer: (D)

d

Answer 2

$Cr\left(OH\right)_{3} + 5OH^{-} \to CrO_{4}^{2-} + 4H_{2}O + 3e^{-}] \times 2$ $ClO + H_{2}O + 2e^{-} \to CI^{-} + 2OH^{-}] \times 3$