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Which metal has a greater tendency to fo...

Which metal has a greater tendency to form metal oxide

A

Al

B

Ca

C

Cr

D

Fe

Text Solution

Verified by Experts

The correct Answer is:
A
The formation and stability of metal oxides can be explained on the basis of lattice energy effects. `Al^(3+)` ion being a small ion has strong positive field around it and can stabilise `O^(2-)` better.
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