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Which of the following statements is false?
A
Both starch and cellulose are polymers of glucose
B
Artificial silk is derived from cellulose
C
Nylon-66 is an example of elastomer
D
The repeat unit in natural rubber is isoprene
Detailed Solution
Starch (α-glucose) and cellulose (β-glucose) are both polymers of glucose; artificial silk (rayon) is made from cellulose; natural rubber is cis-polyisoprene.
Nylon-6,6 has strong intermolecular hydrogen bonding, so it is a fibre, not an elastomer.
So the statement about nylon-66 is false.
Nylon-6,6 has strong intermolecular hydrogen bonding, so it is a fibre, not an elastomer.
So the statement about nylon-66 is false.