Which of the following statements are not correct ?
(I) Both `Cr^(2+)` and `V^(2+)` can liberate `H_(2)` from a dilute acid
(II) `Mn_(2) O_(7)` is more acidic than `MnO_(2)` and `Mn_(3) O_(4)`
(III) Oxidising power follows the sequence : `VO_(2)^(+) gt Cr_(2) O_(7)^(2-) gt MnO_(4)^(-)`
(IV) `Lu(OH)_(3)` is more basic than `La(OH)_(3)`

Options

A. I , IV
B. III , IV
C. II , IV
D. II , III

Answer

B