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Oxidation States of Lanthanides

The oxidation...

Question

The oxidation state which is exhibited by boron is:

A

5

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B

4

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C

1

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D

3

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Solution

The correct option is C
1

Boron exhibits +1 oxidation state .Due to small size of boron, the ionization enthalpy is high . This prevents it to form +3 ions.

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