Question

Write five points of differences between graphite and diamond.

Answer 1

The answer is -
The difference between graphite and diamond is :-
Both Diamond and Graphite are a crystalline form of carbon (Both are made of pure carbon). However they are the same in the chemical composition, they differ a lot in the physical composition. On the Moh’s scale, Diamond ranks as 10 making it the hardest mineral as compared to Graphite, which is the softest. Thus, based on the physical properties, they are used for different purposes.

Also, due to the rarity, a Diamond is much more expensive than Graphite.

Even though they are made of the same element (Carbon), a Diamond differs from Graphite in the atomic structure. In Diamonds, the atoms are closely packed with together with each atom connected to other carbon atoms as compared to Graphite where the bonds between the layers are weak. This is the reason why Diamonds have a very strong and rigid structure.
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Answer 2

Graphite:

i) Inside the each layer of Graphite, The free electrons movies continuously. Due to which, Graphite is a good conductor of electricity.

ii) Graphite is found in nature as free state is black, Slippery and Brittle.

iii) Density of Graphite is .9 to 2.3g/cm^3

iv) Graphite is mostly used in making all leads and extract of writing pencils.

v) Like diamond, Graphite also doesn't dissolve in any solvent.

vi) Bad conductor of electricity.

vii) Diamond is transparent and hard.

viii) Diamond is tetragonal.

Diamond:

i) Density of Diamond is 3.5g/cm^3

ii) Melting point of diamond is 3500 degree Celsius.

iii) There is no effect of Acids and bases on diamond.

iv) Diamond doesn't dissolve in any solvent.

v) Diamond is bad conductor of electricity; As it does not have free electrons.

vi) When diamond is heated at 800 degree Celsius in presence of oxygen, then only it released the CO2.

vii) Good conductor of Electricity.

viii) Have Hexagonal shape.

Uses of Diamond:

i)  Diamond is used in ornaments and decoration.

ii) Diamond is used for Glass cutting and rock drilling machines.

iii) Diamond is used in making eye surgery knives.

iv) Diamond dust is used for polishing of other diamonds.

v) Diamonds is used in Space-crafts and Satellites to prevent radiations.

Uses of Graphite:

i)    Graphite is used in writing pencils and Lead of Lead pencils.

ii)   Graphite is used in making of Lubricants and Light bulbs.

iii)  Graphite is used for making Carbon electrodes.

iv)  Graphite is uses in Arc lamps to make the light more brighter and effective.

v)   Graphite is used in paints and polish to give a better look.

"By considering points of Diamond and Graphite, You can compare/differ between Diamond and Graphite. "

Q. Graphite is utilized in making electrodes due to following properties:

i) Good conductor of Electricity

ii) Keeps the surface look always clean and rough

iii) It is inexpensive; It saves expenses

iv) Insoluble in water, Acids and Bases

v) Have High density

Q. Why Diamond, Silver, Platinum are used in making jwelleries ? :

Gold, Silver, Platinum are used for making Jwelleries. Because they are very precious. And, Only Rich people can afford it. So, Gold, silver, platinum , diamond is used in Jwelleries. As well as, they don't have effect of surrounding and environment. And, it also prevents Ornaments from rusting.

Diamonds are used for making jwelleries because, Diamond is one of the rarest substance found in nature. As it is so Hard and expensive, so only rich people can afford it. Therefore, Diamond is used for making Jwelleries.