In electrolysis of dilute H_2SO_4, what is liberated at anode in the presence of inert electrode ?

In electrolysis of dilute H_2SO_4, what is liberated at anode in the p

1.	In electrolysis of dilute H_2SO_4, what is liberated at anode in the presence of inert electrode ?
Answer» `H_2SO_3` `H_2S_2O_8` `O_2` `H_2` ANSWER :B