Questions: Quiz: Pre-lab Quiz 5 Week 6 Purpose Submis: ASSIGNMENT Question 1 Match the BP and refractive index to their respective compounds Cyclohexane boils at [Select] , its refractive index is [Select] Toluene boils at [Select] refractive index is [Select] Question 2 The difference between a simple and fractional distillation is that simple distillation is done at much higher temperature fractional distillation has an additional column to separate vapors

Quiz: Pre-lab Quiz 5 Week 6 Purpose Submis: ASSIGNMENT Question 1 Match the BP and refractive index to their respective compounds Cyclohexane boils at [Select] , its refractive index is [Select] Toluene boils at [Select] refractive index is [Select] Question 2 The difference between a simple and fractional distillation is that simple distillation is done at much higher temperature fractional distillation has an additional column to separate vapors
Transcript text: Quiz: Pre-lab Quiz 5 Week 6 Purpose Submis: ASSIGNMENT Question 1 Match the BP and refractive index to their respective compounds Cyclohexane boils at [Select] , its refractive index is [Select] Toluene boils at [Select] refractive index is [Select] Question 2 The difference between a simple and fractional distillation is that simple distillation is done at much higher temperature fractional distillation has an additional column to separate vapors
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Solution

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Solution Steps

Step 1: Understanding the Question

The question involves matching boiling points (BP) and refractive indices to their respective compounds, cyclohexane and toluene. Additionally, it asks about the difference between simple and fractional distillation.

Step 2: Matching Boiling Points and Refractive Indices

Cyclohexane and toluene have distinct boiling points and refractive indices. Typically, cyclohexane has a boiling point of approximately 81°C and a refractive index of around 1.426. Toluene, on the other hand, has a boiling point of about 111°C and a refractive index of approximately 1.496.

Step 3: Understanding Distillation Types

The question asks about the difference between simple and fractional distillation. Simple distillation is used for separating liquids with significantly different boiling points, while fractional distillation uses an additional column to separate vapors more effectively, allowing for the separation of liquids with closer boiling points.

Final Answer

  • Cyclohexane boils at \(\boxed{81^\circ \text{C}}\), its refractive index is \(\boxed{1.426}\).
  • Toluene boils at \(\boxed{111^\circ \text{C}}\), its refractive index is \(\boxed{1.496}\).
  • The difference between a simple and fractional distillation is that \(\boxed{\text{fractional distillation has an additional column to separate vapors}}\).
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