You Decide to Experiment with Carbon Disulfide (CS₂)as a Solvent

question 51

Multiple Choice

You decide to experiment with carbon disulfide (CS₂) as a solvent.Which of the following statements is probably true? Carbon disulfide is a colorless liquid with a density of 1.261 g/mL and a molar mass of 76.14 g/mol.

• A)CS₂ is probably a good solvent for alkanes (carbon-hydrogen molecules containing only single bonds).
• B)Water is probably miscible with CS₂.
• C)For a substance to dissolve in CS₂,dipole-dipole interactions between CS₂ molecules would have to be broken.
• D)Solutes that experience hydrogen bonding should dissolve readily in CS₂.
• E)Nonpolar gases such as N₂ and O₂ are probably completely insoluble in CS₂.

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Definitions:

Testable Predictions

Hypotheses or forecasts that can be confirmed or refuted through experimentation or observation.

Psychological Theory

A set of principles aimed at explaining and predicting behavior, emotions, and thoughts.

Sugar Pill

A placebo used in clinical trials, a harmless pill given to participants for psychological effect rather than for a medical effect.

Control Group

In experimental research, a group of subjects that does not receive the treatment or intervention being studied and is used as a benchmark to measure the effects of that treatment.