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?

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Solution

1. If metallic character increases electropositivity increases that is electronegativity decreases there for an 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 therefore B is acidic.

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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?

1. If metallic character increases electropositivity increases that is electronegativity decreases there for an 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 therefore B is acidic.

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?

1. If metallic character increases electropositivity increases that is electronegativity decreases there for an 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 therefore B is acidic.