Figure 1 Shown Below Is the Structure of Caffeine in the Centre

question 40

Multiple Choice

Figure 1
Shown below is the structure of caffeine in the centre and two different resonance states I and II with lone pairs and formal charges omitted.
-Referring to Figure 1,how many lone pairs of electrons can be found on the nitrogen atom at A?

• A)0
• B)1
• C)2

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Definitions:

Purely Monopolistic

Characterizes a market scenario where one entity exclusively controls the entire market for a product or service, eliminating all direct competition.

Downsloping Demand Curve

A graph representing the relationship between the price of a good and the quantity demanded, indicating that as price decreases, demand increases.

Entry Barriers

Obstacles that make it difficult for new competitors to enter a market, including high start-up costs, stringent regulations, and established brand loyalty.

Pure Monopoly

A market structure where a single firm is the sole producer of a product or service with no close substitutes.