Which Colligative Property of Solutions Listed Below Is Correctly Stated

question 57

Multiple Choice

Which colligative property of solutions listed below is correctly stated.
I. The freezing point of a solution decreases as more solute is added.
II. The boiling point of a solution increases as more solute is added.
III. The vapor pressure of a volatile liquid above its solution decreases as more solute is added.

• A) I only
• B) I and II
• C) I and III
• D) II and III
• E) All of these

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Definitions:

Manipulation Check

A measure used to determine whether the manipulation of the independent variable has had its intended effect on a subject.

Double-Blind Procedures

An experimental procedure wherein both the subjects of the experiment and the researchers do not know which subjects are receiving the active treatment versus a placebo, to prevent bias.

Demand Characteristics

Features of an experiment that inadvertently lead participants to guess its purpose, potentially affecting their behavior.

Peer Review

The process of judging the scientific merit of research through review by other scientists with the expertise to evaluate the research.