Redox Reactions And Electrochemistry Ques 651
Question: Which reaction involves neither oxidation nor reduction-
Options:
A) $ CrO_4^{2-}\xrightarrow{{}}Cr_2O{{_7^{2-}}^{~}} $
B) $ Cr\xrightarrow{{}}CrCl_3 $
C) $ Na\xrightarrow{{}}N{{a}^{+}} $
D) $ 2S_2O_3^{2-}\xrightarrow{{}}S_4O_6^{2-} $
Show Answer
Answer:
Correct Answer: A
Solution:
[a] O. N. of Cr on both sides is+6.
