Incorrect statement regarding cross-linked or network polymers is:

1. They contain covalent bonds between various linear polymer chains.
2. They are formed from bi and tri functional monomers.
3. Examples are bakelite and melamine.
4. They contain strong covalent bonds in same polymer chain.
Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 54%
From NCERT
NEET - 2018
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

The correct structure of Nylon-6,6 polymer is:

1. 
2.  
3. 
4. 

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 78%
From NCERT
NEET - 2016
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Natural rubber has:

1. All trans-configuration
2. Alternate cis - and trans-configuration
3. Random cis - and trans-configuration
4. All cis-configuration

Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
 88%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh