Among the following most electropositive element is
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a
Al
b
Ga
c
In
d
Tl
answer is A.
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Detailed Solution
In IIIA group the least electronegative element is "Al" and highest electronegative element is ''B''.The electro negativity order is,B > Tl > In > Ga > AlElectro positivity order is,B < Tl < In < Ga < AlB — Non metalAl — metalGa,In — MetalloidTl — metal