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Which of the following statements are co...

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 `underline("correct")` answer from the options given below:

A

(C),(D) only

B

(B),(C) only

C

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

D

(A),(B) only

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