A) they are p-block elements
B) their first ionization energy is less
C) they have low melting point
D) due to inert pair effect
Correct Answer: D
Solution :
In the III group except B and Al, other elements exhibit + 1 oxidation state, because + 1 oxidation state becomes more stable or moving downward in the group due to inert pair effect.You need to login to perform this action.
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