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Question

Arrange the following elements in the increasing order of metallic character: B, Al, Mg, K.

A
B<Al<Mg<K
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B
K<Mg<Al<B
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C
K<Al<Mg<B
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D
B<Mg<Al<K
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Solution

The correct option is A B<Al<Mg<K
The metallic character of elements increases on moving down the group. Thus, the metallic character of Al is more than that of B. Considering the above statements, we get K > Mg. Hence, the correct order of metallic character is K > Mg > Al > B.

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