Advertisements
Advertisements
Question
Graphite is a good conductor of electricity due to the presence of ______.
Options
lone pair of electrons
free valence electrons
cations
anions
Solution
Graphite is a good conductor of electricity due to the presence of free valence electrons.
Explanation:
In graphite one carbon atom is attached to three other carbon atoms. One electron of carbon remains free. Due to this free valence electron graphite is an electrical conductor.
APPEARS IN
RELATED QUESTIONS
Account for the following:
PCl5 is more covalent than PCl3.
Account for the following :
SnCl4 is more covalent than SnCl2.
Which substance has conductivity in the range 10-20 to 10-10 ohm-1 m-1?
The property of a substance to offer no resistance to the flow of electricity at a particular temperature is known as ____________.
At what temperature range do most of the metals become superconductors?
Which of the following solids is not an electrical conductor?
- Mg (s)
- TiO (s)
- I2 (s)
- H2O (s)
Which of the following oxides shows electrical properties like metals?