Which of the Following Molecules Is(are) Polar

question 75

Multiple Choice

Which of the following molecules is(are) polar ?
I. NF₃ (trigonal pyramidal)
II. BF₃ (trigonal planar)
III. IF₃ (T-shape)

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

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Definitions:

Calendar Time

The concept of time as measured by calendar units, such as days, months, and years, used in planning and scheduling.

Long Run

An economic phase where all elements of production and expenses can fluctuate, enabling complete adaptation to any alterations.

Normal Profit

The minimum profit necessary for a company to remain competitive in the market, equating to the opportunity cost of capital and resources.

Implicit Costs

Indirect expenses that do not involve a direct cash outlay but represent an opportunity cost, such as using resources for one purpose over another.