Question

The correct statement(s) for graphite is/are

• A. It shows lubricating property
• B. Each carbon atom of graphite is sp-hybridized
• C. It conducts electricity
• D. The thermal conductivity of graphite is higher than that of diamond

Hint:

Graphite: sp$^2$ hybridization, layered structure, conducts electricityDiamond: sp$^3$, strongest structure, highest thermal conductivity

Answer 1

The Correct Option is A, C

Step 1: Layers and lubrication.
Graphite has sheets held by weak forces that slide easily, so it lubricates. Statement A is correct.

Step 2: Conduction.
Each carbon keeps one delocalised electron, so graphite conducts. Statement C is correct.

Step 3: Reject the rest.
Carbon in graphite is sp$^2$, not sp, and diamond conducts heat better, so B and D are wrong.

Step 4: Answer.
\[ \boxed{\text{A and C}} \]