Home Chemistry D and F - Block Elements General In context with the transition elements, whi…
Chemistry D and F - Block Elements General Single Correct MCQ
Published on: August 13, 2026

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

A
In the highest oxidation states, the transition metal show basic character and form cationic complexes.
B
In the highest oxidation states of the first five transition elements (Sc to Mn), all the 4s and 3d electrons are used for bonding.
C
Once the d5 configuration is exceeded, the tendency to involve all the 3d electrons in bonding decreases.
D
In addition to the normal oxidation states, the zero oxidation state is also shown by these elements in complexes.

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The correct answer is:
A

The basic character of any elements changes with the oxidation state, low oxidation states are more basic and high oxidation state are more acidic. For example, MnO and Mn 2 O 3 are basic while Mn 2 O 7 is acidic in natures.

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