KMn04->O2->Li2O->Li2S->SO2

The given sequence represents the process of converting potassium permanganate (KMnO4) to sulfur dioxide (SO2) through a series of chemical reactions. Here is a breakdown of the reactions involved:

1. KMnO4 → O2: In this reaction, potassium permanganate decomposes to form oxygen gas (O2).

2. O2 → Li2O: In this reaction, oxygen gas reacts with lithium (Li) to form lithium oxide (Li2O).

3. Li2O → Li2S: In this reaction, lithium oxide reacts with sulfur (S) to form lithium sulfide (Li2S).

4. Li2S → SO2: In this reaction, lithium sulfide reacts with oxygen gas to form sulfur dioxide (SO2).

Overall, the reaction can be summarized as follows:

2 KMnO4 → 2 Li2O + SO2

It's important to note that this sequence of reactions may not be the most efficient or practical method to produce sulfur dioxide. However, it demonstrates the transformation of potassium permanganate into sulfur dioxide through a series of intermediate reactions.