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The lowest oxide of transition metal is basic, the highest is amphoteric/acidic.

The lowest oxide of transition metal is basic, the highest is amphoteric/acidic.

Grade:9

2 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
6 years ago
lower oxide of transition metal-low oxidation state--some valence electron are not involved in bondind-thus act as a base
high oxidation state-electron involved in bonding-no electron avilable-thus act as ancid/amphoteric
Ritik
23 Points
3 years ago
The lowest oxides of transition metals means they have low oxidation state so due to this some of the valence e- can take part in bonding. And in this case it acts as a base because it has many free e- so it can easily donate the e-. But if the TM have high oxidation number then less number of valence e- takes part in bonding. And due to the presence of less valence e- in this case it will not able to donate more no. Of e- so due to this it acts as a acid

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