Purest form of carbon is

Options

A. coal tar
B. Charcoal
C. Coke
D. All of these

Answer

**Step-by-Step Text Solution:**

1. **Understanding Carbon**: Carbon is a non-metal element that exists in various forms, known as allotropes. Each allotrope has different properties and uses.

2. **Identifying Pure Forms of Carbon**: The common forms of carbon include graphite, diamond, and coke. Among these, we need to identify which one is the purest.

3. **Defining Coke**: Coke is a solid carbonaceous material derived from the destructive distillation of coal. It is primarily composed of carbon and is used in various industrial processes.

4. **Coke's Purity**: Coke is considered the purest form of carbon because it contains a high percentage of carbon (around 90% or more) and very few impurities compared to other forms like graphite and coal.

5. **Applications of Coke**: Due to its high carbon content, coke is widely used in industries such as cement manufacturing, metal extraction, and thermal power generation.

6. **Conclusion**: Therefore, the purest form of carbon is coke.

**Final Answer**: The purest form of carbon is coke.

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