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How many of the following are correct ab...

How many of the following are correct about the stability of oxidation states of Mn
i) `Mn (II) gt Mn(VII)`(acidic solution)
(ii) `Mn(II) lt Mn(IV)` (alkalikne solution)
(iii)`Mn(VI) gt Mn(IV)` (acidic solution)
(iv) `Mn(VI) gt Mn(VIII)` (strong alkaline solution)

Text Solution

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The correct Answer is:
3
I,II,III are correct statements
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