Redox Reactions And Electrochemistry Ques 460
Question: Oxidation number of $ Mn $ in $ K_2MnO_4 $ and $ MnSO_4 $ are respectively [CPMT 1997]
Options:
A) + 7, + 2
B) + 6, + 2
C) + 5, + 2
D) + 2, + 6
Show Answer
Answer:
Correct Answer: B
Solution:
$ K_2\overset{*}{\mathop{M}},nO_4 $
$ \overset{*}{\mathop{M}},nSO_4 $
$ 2+x-8=0 $
$ x+6-8=0 $
$ x=+6 $
$ x=+,2 $ .
