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What is the repeating unit in the polymer polystyrene?

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Question: What is the repeating unit in the polymer polystyrene?

Options:

  1. C6H5CH=CH2
  2. C8H8
  3. C6H5C(CH3)=CH2
  4. C6H5C2H4

Correct Answer: C8H8

Solution: 

The repeating unit in polystyrene is derived from the monomer styrene, which has the formula C8H8.

What is the repeating unit in the polymer polystyrene?

Practice Questions

Q1
What is the repeating unit in the polymer polystyrene?
  1. C6H5CH=CH2
  2. C8H8
  3. C6H5C(CH3)=CH2
  4. C6H5C2H4

Questions & Step-by-Step Solutions

What is the repeating unit in the polymer polystyrene?
  • Step 1: Understand that a polymer is made up of many small units called monomers.
  • Step 2: Identify the monomer for polystyrene, which is styrene.
  • Step 3: Know the chemical formula for styrene, which is C8H8.
  • Step 4: Realize that when styrene molecules link together, they form the polymer polystyrene.
  • Step 5: The repeating unit in the polymer is the part of the styrene molecule that repeats, which is C8H8.
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