Which one is the oxidation state of Mn? A. +2 and +3 B. +4 and +5 C. +6 and +7 D. All of these Right Answer: D. All of these Share : December 16, 2017 Hassan Ali Chemistry Total 0 Votes: 0 0 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -The study of elevation of boiling point is called?Inorganic compound of nitrogen are not commonly found as minerals because?Which one affects the specific rate constant?