Question

What do we do when our teacher makes a mistake? And how does hydrogen peroxide decompose?

Answer 1

So your teacher made a mistake; it happens.........

Explanation:

Hydrogen peroxide can be decomposed with a metal catalyst to give water and dioxygen gas:

`H_2O_2 stackrel(MnO_2)rarrH_2O(l) + 1/2O_2(g)`

Hydrogen is thus not involved in electron transfer, in redox; oxygen is...........