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In group 13, Tl (thalium) shows +1 oxida...

In group 13, Tl (thalium) shows +1 oxidation state while other members show +3 oxidation state, why ?

A

Presence of lone electron in Tl

B

Inert pair effect

C

Large ionic radius of Tl ion

D

None of these

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VMC MODULES ENGLISH-p-BLOCK ELEMENTS-1-LEVEL 1
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