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.. A … are physical devices that are use...

.. A … are physical devices that are used for a better visualisation and perception of three dimensional shapes of organic molecules. Here, A refers to

A

Molecular models

B

Biomolecular models

C

Chemical models

D

Science models

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question, we need to identify what "A" refers to in the context of physical devices used for visualizing the three-dimensional shapes of organic molecules. ### Step-by-Step Solution: 1. **Understanding the Question**: The question asks for a term that describes physical devices that help visualize and perceive the three-dimensional shapes of organic molecules. 2. **Identifying the Context**: The context is organic chemistry, where understanding the spatial arrangement of atoms in molecules is crucial for grasping their properties and reactivity. 3. **Considering Common Tools**: In organic chemistry, various tools are used to represent molecular structures. These can include drawings, models, and software. However, the question specifically mentions "physical devices." 4. **Recognizing Molecular Models**: One of the most common physical devices used for this purpose is molecular models. These models consist of balls representing atoms and sticks representing bonds, allowing for a tangible representation of molecular geometry. 5. **Conclusion**: Based on the understanding that molecular models provide a three-dimensional visualization of organic molecules, we can conclude that "A" refers to "Molecular Models." ### Final Answer: A = Molecular Models ---
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