Graphite is a soft solid lubricant. The reason for this ano…

Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) All Topic Question for Revision Test Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Graphite is a soft solid lubricant. The reason for this anomalous behaviour is that graphite

Is a non-crystalline substance

Is an allotropic from of diamond

Has molecules of variable molecular masses like polymers

Has layered structure in which layers are held by weak forces

Text Solution

Verified by Experts

The correct answer is:

C-atoms form covalently bonded plates (layers). Layers are bonded weakly together, that's

why one layer can slide over other cause lubricacy. It cannot be melted easily as large number of atoms being bonded strongly in the layer form big entity.

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