Three Possible Structures of C₂H₂Cl₂ Are Shown Below

question 3

Multiple Choice

Three possible structures of C₂H₂Cl₂ are shown below. Which of these molecules are polar?

• A) 1 only
• B) 2 only
• C) 3 only
• D) 1 and 3
• E) 2 and 3

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Definitions:

Longitudinal Studies

Research designs that follow the same subjects over a period of time, allowing for the observation of changes or developments in the subjects.

Dependent Variable

In an experimental study, it is the variable being tested and measured, influenced by the independent variable.

Heart Rate

The number of heartbeats per unit of time, usually measured in beats per minute (bpm).

Case Control Studies

Research design that compares individuals with a specific condition or disease (cases) to individuals without the condition (controls), to identify potential causes or risk factors.