# Which of the following is true about the oxidation state of transition metals?

(A) The oxidation state increases with increase in atomic number (B) The oxidation state increases with increase in atomic number & reaches a maximum in the middle and then decreases (C) The oxidation state decreases with increase in atomic number (D) The oxidation state decreases with increase in atomic number, reaches a minimum at the middle and then increases

Answer: The oxidation state decreases with increase in atomic number, reaches a minimum at the middle and then increases