A) Only \[FeS{{O}_{4}}\] is oxidised
B) Only \[KMn{{O}_{4}}\] is oxidised
C) \[FeS{{O}_{4}}\] is oxidised \[KMn{{O}_{4}}\] and is reduced
D) None of these
Correct Answer: C
Solution :
\[FeS{{O}_{4}}\]is oxidised and \[KMn{{O}_{4}}\] is reduced. \[2KMn{{O}_{4}}+3{{H}_{2}}S{{O}_{4}}\,\to \,{{K}_{2}}S{{O}_{4}}+2MnS{{O}_{4}}\] \[[2FeS{{O}_{4}}+{{H}_{2}}S{{O}_{4}}\,\to \,F{{e}_{2}}{{(S{{O}_{4}})}_{3}}+2H]\times 5\] \[[2H+[O]\,\to \,{{H}_{2}}O]\times 5\] \[2KMn{{O}_{4}}+8{{H}_{2}}S{{O}_{4}}+10FeS{{O}_{4}}\,\to \]\[{{K}_{2}}S{{O}_{4}}+2MnS{{O}_{4}}+5F{{e}_{2}}{{(S{{O}_{4}})}_{3}}+8{{H}_{2}}O\] In this reaction oxidation state of \[Mn\] is changing from +7 to +2 while oxidation state of \[Fe\] is changing from +2 to +3.You need to login to perform this action.
You will be redirected in
3 sec