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Which is/are INCORRECT statement ?...

Which is/are INCORRECT statement ?

A

a.Equivalent mass of `H_(2)PO_(3)^(-)` is 40.5.

B

b.Eq. mass of `H_(2)PO_(4)^(-)` may be equal to molar mass or less than molar mass because it depends on the reaction.

C

c.`KMnO_(4)` has maximum eq. mass in acidic medium.

D

d.Oxidation state of H in `MgH_(2)` is greater than in `H_(2)O_(2)`.

Text Solution

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The correct Answer is:
A, C, D
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