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The basic character of the transition me...

The basic character of the transition metal monoxide follows the order

A

`VO lt CrO gt TiO gt FeO`

B

`CrO gt VO gt FeO gt TiO`

C

`TiO gt FeO gt VO gt CrO`

D

`TiO gt VO gt CrO gt FeO`

Text Solution

Verified by Experts

The correct Answer is:
D
Metal oxide with more ionic character is expected to be more basic. Ionic radii of a metal ion decrease from `Ti^(2+)` to `Fe^(2+)`. As a result the basic strengths of their oxides decreases from TiO to FeO. Thus, (d) is the correct option
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The basic character fo the transition metal monoxides follows the order (Atomic no's. Ti = 22, V = 23, Cr = 24 , Fe = 26)