Q.

The following metals are arranged in the increasing order of their metallic character. Choose the correct option.

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a

Be<Si<Al<K

b

Si<Be<Al<K

c

K<Al<Si<Be

d

Be<Si<K<Al

answer is B.

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Detailed Solution

Metallic character is defined as the tendency to lose electron, so metallic character is directly proportional to the atomic size.

Metallic character generally increases down the group and decreases across the period.

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The following metals are arranged in the increasing order of their metallic character. Choose the correct option.