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Need explanation for: Which one of the followingbonds produces a solid that reflects light in the visible region and whose electrical conductivity decreases with temperature and has high melting point.

Which one of the following bonds produces a solid that reflects light in the visible region and whose electrical conductivity decreases with temperature and has high melting point.

  • Option 1)

    metallic bonding

  • Option 2)

    van der Waal's bonding

  • Option 3)

    ionic bonding

  • Option 4)

    covalent bonding

 
Answers (1)
106 Views
V Vakul

 

Conductor -

When there is no energy gap between valence band and conduction band.

- wherein

1) Very high conductivity .

2) Very high free electron density

    Cu, Ag, Au, Na etc.

 

 

All these are characteristics of the metallic bond.  

 

 


Option 1)

metallic bonding

This option is correct

Option 2)

van der Waal's bonding

This option is incorrect

Option 3)

ionic bonding

This option is incorrect

Option 4)

covalent bonding

This option is incorrect

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