Q.

Which of the following is observed in metallic bonds?

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a

Mobile valence electron

b

Highly directed bond

c

None of the above

d

Localised electrons

answer is A.

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Detailed Solution

Mobile valence electron is observed in metallic bonds.

Positive kernels and delocalized (mobile) valence electrons in metallic bonds are attracted electrostatically from all sides and lack or lack directional properties as a result. The metal atoms are encircled by an ocean of electrons.

Hence, option A is correct.

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