General Knowledge - General Science - Discussion

Discussion Forum : General Science - Elements and Metals (Q.No. 23)
23.
Among the various allotropes of carbon,
coke is the hardest, graphite is the softest
diamond is the hardest, coke is the softest
diamond is the hardest, graphite is the softest
diamond is the hardest, lamp black is the softest
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
32 comments Page 4 of 4.

Shoaib said:   1 decade ago
Dear vinesh,

Diamond has strong covalent bonds (c-bond) but graphite has very weak c-bond & double layer of graphite with weak c-bond make it weakest from others.

Eg: Pencil led, if you crush it it can easily crushed where as if you want to crush diamond you can't crush it easily.

Vinesh said:   1 decade ago
How is graphite the softest?


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