Question

What is an allotrope. Describe various types of allotropes. Give some examples.​

Answer 1

Answer:

Allotropes may display very different chemical and physical properties. For example, graphite and diamond are both allotropes of carbon that occur in the solid state. Graphite is soft, while diamond is extremely hard. Allotropes of phosphorus display different colors, such as red, yellow, and white.

Explanation:

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Answer 2

Answer:

Thanks for asking the question.

Explanation:

Allotropes are defined as the different physical forms of a chemical element. This means the when you observe the structure then you'll notice that the atoms are arranged in different manner.

So due to this they differ in their physical properties but not the chemical properties since the composition remains the same.

Since allotrope of carbon has already been discussed I would like to give example of Sulfur's allotropes i.e Amorphous,Monoclinic ,Orthorhombic.

Let's differentiate the 3 allotropes .

1) Amorphous -

-This is rarely found.

- It is the product of sulfur being melted over 160°C.

- It is large viscosity unlike sulfur.

- The commonly S₈ ring is not seen. Rather it structure contains chains of sulfur.

2) Monoclinic -

- It is crystalline in nature

- It has got S₈ rings.

- It exists between the temperature 96°C - 119°C.

- If the temperature goes below 96°C to changes to more stable allotropic form of sulfur given below.

3) Orthorhombic -

-  Most stable form.

- It has also got S₈ rings.

- It forms below 96°C.

Hope This Helps You