Which of the following statements are correct?
(A) The \( \mathrm{M}^{3+} / \mathrm{M}^{2+} \) reduction potential for iron is greater than manganese.
(B) The higher oxidation states of first row d-block elements get stabilized by oxide ion
(C) Aqueous solution of \( \mathrm{Cr}^{2+} \) can liberate hydrogen from dilute acid
(D) Magnetic moment of \( \mathrm{V}^{2+} \) is observed between \( 4.4 - 5.2 \) \( \mathrm{BM} \)
Choose the correct answer from the options given below:
