Question

Identify the correct order for the given property for following compounds. 

Choose the correct answer from the option given below :

• A. (A), (C) and (E) only
• B. (A), (B) and (E) only
• C. (A), (C) and (D) only
• D. (B), (C) and (D) only

Hint:

When analyzing boiling points and densities:
• Boiling points increase with molecular mass and stronger intermolecular forces.
• Densities increase with molecular mass and atomic size.
• For halogens, the trend is: Cl < Br < I for both properties.

Answer 1

The Correct Option is A

 To identify the correct order for the given property of the compounds, we need to consider the factors that affect properties like boiling point and density.

Let's analyze each option based on their properties:

Boiling Point:

1. Boiling point generally increases with an increase in molecular weight and intermolecular forces.
2. Among halogens, the boiling point usually follows the order: \(I > Br > Cl > F\) due to increasing molecular size and Van der Waals forces.

Density:

1. Density is influenced by both mass and volume; generally, a heavier halogen will increase density more than a lighter one.
2. The expected order of density due to atomic mass is: \(I > Br > Cl\).

Now, let's evaluate each statement:

• (A): Boiling Point: \(\text{Cl} < \text{Cl} < \text{Cl}\) - Here the trend is consistent with similar halogen atoms causing similar boiling points.
• (C): Boiling Point: \(\text{Br} < \text{Br} < \text{Br}\) - Consistent with the behavior observed for similar structures and molecular interactions.
• (E): Boiling Point: \(\text{Cl} > \text{Cl} > \text{Cl}\) - Indicates consistent properties with slight structural variation impacting boiling point.

The correct answer is therefore (A), (C), and (E) because these satisfy the typical trends of boiling points and density according to molecular interaction and atomic properties.