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In context with the transition elements,...

In context with the transition elements, which of the following statements is incorrect ?

A

In addition to the normal oxidation states, the zero oxidation state is also shown by these elements in complexes

B

In the highest oxidation states, the transition metal show basic character and form cationic complexes

C

In the highest oxidation states of the first five transition elements (Sc to Mn), all the s 4 and d 3 electrons are used for bonding

D

Once the `d^5` configuration is exceeded, the tendency to involve all the 3d electrons in bonding decreases

Text Solution

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The correct Answer is:
B

The basic character of any element changes with the oxidation state, low oxidation states are more basic and high oxidation state are more acidic. For example, MnO and `Mn_2O_3` are basic while `Mn_2O_7` is acidic in nature.
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