Addition Polymerisation
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CHXII15:POLYMERS

324942 Which of the following alkenes is most reactive towards cationic polymerisation?

1 \(\mathrm{CH}_{2}=\mathrm{CHCH}_{3}\)
2 \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CHCl}\)
3 \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CHC}_{6} \mathrm{H}_{5}\)
4 \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CHCO}_{2} \mathrm{CH}_{3}\)
CHXII15:POLYMERS

324943 Statement A :
Olefinic monomers undergo addition polymerisation.
Statement B :
Polymerisation of vinylchloride is initiated by peroxides/persulphates.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII15:POLYMERS

324944 In which polymerisation branching of chain cannot be possible?

1 Free radical
2 Cationic
3 Anionic
4 Anionic and Ziegler-Natta
CHXII15:POLYMERS

324945 Which of the following is correct statement?

1 High density polyethylene is more flexible than low density polyethylene.
2 High density polythylene is obtained at atmospheric pressure.
3 High density polyethylene has highly branched structure.
4 Low density polyethylene is obtained under high pressure and room temperature.
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CHXII15:POLYMERS

324942 Which of the following alkenes is most reactive towards cationic polymerisation?

1 \(\mathrm{CH}_{2}=\mathrm{CHCH}_{3}\)
2 \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CHCl}\)
3 \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CHC}_{6} \mathrm{H}_{5}\)
4 \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CHCO}_{2} \mathrm{CH}_{3}\)
CHXII15:POLYMERS

324943 Statement A :
Olefinic monomers undergo addition polymerisation.
Statement B :
Polymerisation of vinylchloride is initiated by peroxides/persulphates.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII15:POLYMERS

324944 In which polymerisation branching of chain cannot be possible?

1 Free radical
2 Cationic
3 Anionic
4 Anionic and Ziegler-Natta
CHXII15:POLYMERS

324945 Which of the following is correct statement?

1 High density polyethylene is more flexible than low density polyethylene.
2 High density polythylene is obtained at atmospheric pressure.
3 High density polyethylene has highly branched structure.
4 Low density polyethylene is obtained under high pressure and room temperature.
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CHXII15:POLYMERS

324942 Which of the following alkenes is most reactive towards cationic polymerisation?

1 \(\mathrm{CH}_{2}=\mathrm{CHCH}_{3}\)
2 \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CHCl}\)
3 \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CHC}_{6} \mathrm{H}_{5}\)
4 \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CHCO}_{2} \mathrm{CH}_{3}\)
CHXII15:POLYMERS

324943 Statement A :
Olefinic monomers undergo addition polymerisation.
Statement B :
Polymerisation of vinylchloride is initiated by peroxides/persulphates.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII15:POLYMERS

324944 In which polymerisation branching of chain cannot be possible?

1 Free radical
2 Cationic
3 Anionic
4 Anionic and Ziegler-Natta
CHXII15:POLYMERS

324945 Which of the following is correct statement?

1 High density polyethylene is more flexible than low density polyethylene.
2 High density polythylene is obtained at atmospheric pressure.
3 High density polyethylene has highly branched structure.
4 Low density polyethylene is obtained under high pressure and room temperature.
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CHXII15:POLYMERS

324942 Which of the following alkenes is most reactive towards cationic polymerisation?

1 \(\mathrm{CH}_{2}=\mathrm{CHCH}_{3}\)
2 \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CHCl}\)
3 \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CHC}_{6} \mathrm{H}_{5}\)
4 \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CHCO}_{2} \mathrm{CH}_{3}\)
CHXII15:POLYMERS

324943 Statement A :
Olefinic monomers undergo addition polymerisation.
Statement B :
Polymerisation of vinylchloride is initiated by peroxides/persulphates.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII15:POLYMERS

324944 In which polymerisation branching of chain cannot be possible?

1 Free radical
2 Cationic
3 Anionic
4 Anionic and Ziegler-Natta
CHXII15:POLYMERS

324945 Which of the following is correct statement?

1 High density polyethylene is more flexible than low density polyethylene.
2 High density polythylene is obtained at atmospheric pressure.
3 High density polyethylene has highly branched structure.
4 Low density polyethylene is obtained under high pressure and room temperature.
NEET DIGITAL LIBRARY