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Practice Online Test Series for JEE Main 2018 & NEET 2018
Lanthanides elements are -
`[Fe(H_2O)_6 ]^(+2)` and `[Fe(CN)_6]^-4` differ in :
Which of the following reactions is incorrect ?
In which of the following species, the colour is due to charge transfer?(I) `[Mn(OH)_4]^-2`
(II) `MnO_4^-2`
(III) `MnO_2`
(IV) `KMnO_4`