Out of Li , Na , K , Rb and Cs , how many of them directly form superoxides on heating with dioxygen ?

Out of Li , Na , K , Rb and Cs , how many of them directly form supero

1.	Out of Li , Na , K , Rb and Cs , how many of them directly form superoxides on heating with dioxygen ?
Answer» SOLUTION :THREE , K , RB , CS .