Practice Hydrophobicity Vs Hydrophilicity (2.3) - Concept of KOC and Partitioning

Practice: Hydrophobicity vs Hydrophilicity

Lesson 2.3Concept of KOC and Partitioning

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9 questions

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6 sample questions

Question 1.
What does hydrophobic mean?
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Think about the common properties of oils.
Question 2.
Which component of the Koc equation represents the concentration of the chemical?
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Generally, the chemical's mass over organic carbon mass.
3Question 3.
Which property indicates a substance's unwillingness to dissolve in water?
- A) Hydrophilicity
- B) Hydrophobicity
- C) Both
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Remember the term 'water-fearing'.
4Question 4.
True or False: KOW values indicate how a substance interacts with organic materials.
- True
- False
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Think about what KOW actually compares.
Question 5.
A chemist is studying a new substance that has a KOC value of 1000 L/kg and KOW of 500. Discuss the potential environmental implications of this compound with respect to its hydrophobicity.
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Consider both water interactions and sedimentation behavior.
Question 6.
In a pollution scenario, a researcher finds that a certain pesticide exhibits a log KOW of 3. Calculate the KOW value. Discuss the implications of this log value for environmental contamination.
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Apply the exponential relationship in logarithmic scales to find the KOW value.

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