A) 10 mL of \[1\,N\,KMn{{O}_{4}}\]solution oxidises 10 mL of \[5\,N\,FeS{{O}_{4}}\]solution.
B) 10 mL of \[1M\,KMn{{O}_{4}}\]solution oxidises 10 mL of \[5M\,FeS{{O}_{4}}\]solution.
C) 10 mL of \[1M\,KMn{{O}_{4}}\]solution oxidises 10 mL of \[1M\,FeS{{O}_{4}}\]solution.
D) 10 mL of \[1N\,KMn{{O}_{4}}\]solution oxidises 10 mL of \[0.1M\,FeS{{O}_{4}}\] solution.
Correct Answer: B
Solution :
[b]: 10 mL of \[1M\,KMn{{O}_{4}}\]oxidises 10 mL of \[5MFeS{{O}_{4}}\]in acidic medium. \[2Kn{{O}_{4}}+8{{H}_{2}}S{{O}_{4}}+10FeS{{O}_{4}}\xrightarrow[{}]{{}}{{K}_{2}}S{{O}_{4}}\]\[+2MnS{{O}_{4}}+5F{{e}_{2}}{{(S{{O}_{4}})}_{3}}+8{{H}_{2}}O\]
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