Redox Reactions And Electrochemistry Ques 500
Question: In the following reaction $ Cr_2O_7^{-}+14{{H}^{+}}+6{{I}^{-}}\to , $ $ 2C{{r}^{3+}}+3H_2O+3I_2 $ Which element is reduced [CPMT 1976]
Options:
A) $ Cr $
B) $ H $
C) $ O $
D) $ I $
Show Answer
Answer:
Correct Answer: A
Solution:
$ \overset{+6}{\mathop{Cr_2O_7^{2-}}},+14{{H}^{+}}+6{{I}^{-}}\to \overset{{}}{\mathop{2C{{r}^{3+}}}},+3H_2O+3I_2 $
