Redox Reactions And Electrochemistry Ques 456
Question: When $ CuSO_4 $ reacts with $ KI $ , the oxidation number of $ Cu $ changes by [BHU 1997]
Options:
A) 0
B) - 1
C) 1
D) 2
Show Answer
Answer:
Correct Answer: C
Solution:
$ \overset{+2}{\mathop{CuSO_4}},+2KI $ - $ K_2SO_4+CuI_2 $ $ 2,CuI_2\xrightarrow{,}\overset{+,1}{\mathop{Cu_2I_2}},+I_2 $
