Most Important Selected Qs for JEE AdvancedChemistryPolymers
Which among the following statements is NOT true for LDP ?
Options
- AIt needs O ₂ or peroxide as initiator synthesis process.
- BIt is a branched chain polymer.
- CIt needs low pressure about 6-7 atm in synthesis process.
- DIt has low melting point than HDP.
Correct answer
C. It needs low pressure about 6-7 atm in synthesis process.
Step-by-step solution
LDP is prepared by polymerization of ethylene under high pressure (1000-2000 ~atm ) and temperature (350-570 ~K ) in presence of traces of O ₂ or peroxide as initiator.