Questions
Among the following most electropositive element is
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a
Al
b
Ga
c
In
d
Tl
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Correct option is A
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 — metalSimilar Questions
The bond dissociation energy of BF bond in BF3 is 646 kJ mol–1 whereas that of CF in CF4 is 315 kJ mol–1. The correct reason for higher BF bond dissociation energy as compared to that of CF bond is :
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