Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET2008ChemistryPolymersActual

Which one of the following statements is not true?

Options

  1. AIn vulcanisation, the formation of sulphur bridges between different chains make rubber harder and stronger
  2. BNatural rubber has the trans-configuration at every double bond
  3. CBuna-S is a copolymer of butadiene and styrene
  4. DNatural rubber is a 1,4-polymer of isoprene

Correct answer

B. Natural rubber has the trans-configuration at every double bond

Step-by-step solution

Natural rubber is cis-polyisoprene and is prepared from latex which is obtained from rubber tree (Hevea brasitiensis).

Practice Polymers on Quantrex Academy →

More from Polymers

The starting material used for the preparation of decron is 2026What type of fiber is silk? 2026Amongst the following, identify a copolymer. 2026Which of the following polymers is not an example of addition polymerization? 2026Identify the monomer of natural rubber. 2026Identify the monomer of natural rubber. 2026Which one of the following polymers is NOT obtained by condensation polymerisation? 2026Which of the following combinations used to obtain terywool? 2026 Full Polymers list All NEET PYQs