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Question

the order of metallic character of elements A,B,C and D is

D>A>C>B

1. what is the order of their electronegative character?

2.what is the nature of oxide of B if oxide of A is amphoteric?


Solution

1.If metallic character increases electropositvity increases that is electro negativity deceases
there for order is:-
B>C>A>D

2.least electro negative metal is basic.Given that A is amphoteric.And B is most electronegative than A.there for B is acidic.

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