A) \[\operatorname{M}\operatorname{n}\operatorname{S}{{\operatorname{O}}_{4}}\]
B) \[\operatorname{M}{{\operatorname{n}}_{2}}{{\operatorname{O}}_{7}}\]
C) \[\operatorname{M}\operatorname{n}{{\operatorname{O}}_{2}}\]
D) \[\operatorname{M}{{\operatorname{n}}_{2}}{{\operatorname{O}}_{3}}\]
Correct Answer: B
Solution :
\[KMn{{O}_{4}}\]reacts with \[{{H}_{2}}S{{O}_{4}}\]to form \[M{{n}_{2}}{{O}_{7}}\]which is highly explosive substance. \[2KM{{O}_{4}}+{{H}_{2}}S{{O}_{4}}\xrightarrow[{}]{{}}\]\[{{K}_{2}}S{{O}_{4}}+M{{n}_{2}}{{O}_{7}}+{{H}_{2}}O\]
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