Redox Reactions Ques 11
11. Which substance serves as a reducing agent in the following reaction?
[1994]
$14 H^{+}+Cr_2 O_7^{2-}+3 Ni \to 2 Cr^{3+}+7 H_2 O+3 Ni^{2+}$
(a) $H_2 O$
(b) $Ni$
(c) $H^{+}$
(d) $Cr_2 O_7^{2-}$
Show Answer
Answer:
Correct Answer: 11.(b)
Solution:
- (b) The element undergo oxidation itself and reduces others is known as reducing agent. In this reaction $O. N.$ of $Ni$ Changes from $0$ to $+2$ and hence $Ni$ acts as a reducing agent.
BETA
