Which of the following statements are correct? (A) The M$^{3+}$/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 Cr$^{2+}$ can liberate hydrogen from dilute acid. (D) Magnetic moment of V$^{2+}$ is observed between 4.4 - 5.2 BM. Choose the correct answer from the options given below :

Question

Which of the following statements are correct?

(A) The M$^{3+}$/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.

(D) Magnetic moment of V$^{2+}$ is observed between 4.4 - 5.2 BM.

Choose the correct answer from the options given below :

(B), (C) only

(A), (B) only

(A), (B), (D) only

(C), (D) only

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