Redox Reactions And Electrochemistry Ques 10
Question: The equivalent weight of $ KIO_3 $ in the reaction $ 2Cr{{(OH)}_3}+4OH+KIO_3\to 2CrO_4^{2-}+5H_2O+KI $ is [MP PMT 2004]
Options:
A) Mole wt.
B) $ \frac{Mol\text{. wt}\text{.}}{6} $
C) $ \frac{Mol\text{. wt}\text{.}}{2} $
D) $ \frac{Mol\text{. wt}\text{.}}{3} $
Show Answer
Answer:
Correct Answer: D
Solution:
$ \frac{\text{Molecular weight}}{3} $ Because in $ KIO_3 $ effective oxidation number is 3.
