Redox Reactions And Electrochemistry Ques 703
Question: Which substance serves as reducing agent in the following reaction- $ 14{{H}^{+}}+Cr_2O_7^{2-}+3Ni\xrightarrow{{}} $ $ 2C{{r}^{3+}}+7H_2O+3N{{i}^{2+}} $
Options:
A) $ H_2O $
B) Ni
C) $ {{H}^{+}} $
D) $ Cr_2O_7^{2-} $
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ (Ni\to N{{i}^{2+}})Ni $ loses electrons hence act as reducing agent.
