Determination of Molecular Weight of Polymers
CHXII15:POLYMERS

325067 A sample of polymer contains 100 molecules of molecular mass \(10^{2}\); each 200 molecules have \(10^{3}\) each; and 400 molecules have \(10^{4}\) each. The number average molecular mass value is

1 7000
2 6014
3 6958
4 20,000
CHXII15:POLYMERS

325068 The abbreviation PDI refers to

1 name of the polymer
2 polydispersity index of polymer
3 application of polymer
4 poly diagonal index
CHXII15:POLYMERS

325069 A sample of protein in which all the molecules have the same molecular mass is called

1 Monodisperse
2 Paucidisperse
3 Poly disperse
4 None of the above
CHXII15:POLYMERS

325070 Which of the following is correct about polydispersity index (PDI)?

1 \(\mathrm{PDI}=\dfrac{\overline{\mathrm{M}} \mathrm{n}}{\overline{\mathrm{M}_{\mathrm{w}}}}\)
2 \(\quad \mathrm{PDI}=\dfrac{\overline{\mathrm{M}} \mathrm{w}}{\overline{\mathrm{Mn}}}\)
3 PDI Indicates the homogeneity of a polymer
4 Both (2) and (3) are correct
CHXII15:POLYMERS

325067 A sample of polymer contains 100 molecules of molecular mass \(10^{2}\); each 200 molecules have \(10^{3}\) each; and 400 molecules have \(10^{4}\) each. The number average molecular mass value is

1 7000
2 6014
3 6958
4 20,000
CHXII15:POLYMERS

325068 The abbreviation PDI refers to

1 name of the polymer
2 polydispersity index of polymer
3 application of polymer
4 poly diagonal index
CHXII15:POLYMERS

325069 A sample of protein in which all the molecules have the same molecular mass is called

1 Monodisperse
2 Paucidisperse
3 Poly disperse
4 None of the above
CHXII15:POLYMERS

325070 Which of the following is correct about polydispersity index (PDI)?

1 \(\mathrm{PDI}=\dfrac{\overline{\mathrm{M}} \mathrm{n}}{\overline{\mathrm{M}_{\mathrm{w}}}}\)
2 \(\quad \mathrm{PDI}=\dfrac{\overline{\mathrm{M}} \mathrm{w}}{\overline{\mathrm{Mn}}}\)
3 PDI Indicates the homogeneity of a polymer
4 Both (2) and (3) are correct
CHXII15:POLYMERS

325067 A sample of polymer contains 100 molecules of molecular mass \(10^{2}\); each 200 molecules have \(10^{3}\) each; and 400 molecules have \(10^{4}\) each. The number average molecular mass value is

1 7000
2 6014
3 6958
4 20,000
CHXII15:POLYMERS

325068 The abbreviation PDI refers to

1 name of the polymer
2 polydispersity index of polymer
3 application of polymer
4 poly diagonal index
CHXII15:POLYMERS

325069 A sample of protein in which all the molecules have the same molecular mass is called

1 Monodisperse
2 Paucidisperse
3 Poly disperse
4 None of the above
CHXII15:POLYMERS

325070 Which of the following is correct about polydispersity index (PDI)?

1 \(\mathrm{PDI}=\dfrac{\overline{\mathrm{M}} \mathrm{n}}{\overline{\mathrm{M}_{\mathrm{w}}}}\)
2 \(\quad \mathrm{PDI}=\dfrac{\overline{\mathrm{M}} \mathrm{w}}{\overline{\mathrm{Mn}}}\)
3 PDI Indicates the homogeneity of a polymer
4 Both (2) and (3) are correct
CHXII15:POLYMERS

325067 A sample of polymer contains 100 molecules of molecular mass \(10^{2}\); each 200 molecules have \(10^{3}\) each; and 400 molecules have \(10^{4}\) each. The number average molecular mass value is

1 7000
2 6014
3 6958
4 20,000
CHXII15:POLYMERS

325068 The abbreviation PDI refers to

1 name of the polymer
2 polydispersity index of polymer
3 application of polymer
4 poly diagonal index
CHXII15:POLYMERS

325069 A sample of protein in which all the molecules have the same molecular mass is called

1 Monodisperse
2 Paucidisperse
3 Poly disperse
4 None of the above
CHXII15:POLYMERS

325070 Which of the following is correct about polydispersity index (PDI)?

1 \(\mathrm{PDI}=\dfrac{\overline{\mathrm{M}} \mathrm{n}}{\overline{\mathrm{M}_{\mathrm{w}}}}\)
2 \(\quad \mathrm{PDI}=\dfrac{\overline{\mathrm{M}} \mathrm{w}}{\overline{\mathrm{Mn}}}\)
3 PDI Indicates the homogeneity of a polymer
4 Both (2) and (3) are correct