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 element (Sc to Mn), all the 4s and 3d electrons are used for bonding.
D) Once the \[{{d}^{5}}\] configuration is exceeded, the tendency to involve all the 3d electrons in bonding decreases.
Correct Answer: B
Solution :
In highest oxidation states transition metals form anionic complexes rather than that of cationic complexes.
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