What kind of snake is most dangeras to the mongoose?

mongoose are very strong and very brave and determined dose not matter what kind of snake it is if it is a snake he'll kill it mongoose rare very valiant and do not cower and any thing mongoose fight the pray till it goes off running because it cant handle it then the mongoose runs up and jumps up on its back with so much force it brakes its back right in half and the snake is dead so to answer your question no there is not one snake a mongoose cant kill.