Question

Which allotrope of carbon is soft, greasy and is used as solid lubricant for heavy machinery operating at a high temperature?

Answer 1

$\huge\star{\green{\underline{\mathfrak{Answer :-}}}}$

The allotrope of carbon which is soft and greasy and is also used as solid lubricant for heavy machinery operating at a higher temperature is Graphite.

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Graphite has a very interesting structure. It is form of hexagonal arrays of carbon's covalent bond placed in layers one above the other.

There is always one bond free in this structure, due to this, it is greasy.

Graphite is also used in pencil lids.

$\rule{200}2$

The other allotropes of carbon are:

• Diamond (The hardest substance on the earth)
• Fullerens such as C-60 (Buckminsterfullerene)
• Graphite (soft and greasy, we discussed about it above)

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Answer 2

$\large{\underline{\sf{Answer}}}$

${\red{GRAPHITE}}$ is the allotrope of carbon which is soft, greasy and is used as solid lubricant for heavy machinery operating at a high temperature.

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Let us know more -

→${\red{GRAPHITE}}$

It is a crystalline form of the element carbon with its atoms arranged in a hexagonal structure.

→${\red{ALLOTROPE}}$

It is the property of an element by which it can exist in two or more different for forms.For e.g. CARBON

→ Carbon has basically 3 allotropes -

1. Graphite
2. Diamond
3. Buckminsterfullerene

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