Fullerene Containing Polymers MCQ

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• Star – shaped polymers can be synthesized only by the “graft-in” approach and not by “graft-from” approach.
  ক

  True

  খ

  False
• Choose from the following a method that is not used for the preparation of cross-linked C60 containing polymers?
  ক

  Polycondensation between a fullerene bisadduct and difunctionalized monomer

  খ

  C60 and monomers are mixed and made to react

  গ

  Polymers embedded with pendant reacting moieties are reacted with C60

  ঘ

  Multisubstituted C60 derivative is homopolymerized in three-dimensions
• Which of the following reasons does not account for the considerable interest of polymers containing C60?
  ক

  Fullerene properties can be combined with those of specific polymers

  খ

  Fullerene polymers are spin-coatable and solvent-castable

  গ

  Fullerene polymers exhibit enhanced optical and electronic properties

  ঘ

  Fullerene on combination with polymers completely tears down their structure
• This polyfullerene has a necklace type structure and is synthesized by the polycondensation between a fullerene bisadduct and a difunctionalized monomer. Which polyfullerene is it?
  ক

  Cross-linked polymers

  খ

  Star-shaped polymers

  গ

  C60-dendrimers

  ঘ

  Main-chain polymers
• Which property is not exhibited by end–capped polymers?
  ক

  Increased conductivity

  খ

  Non – telechelic

  গ

  Modified hydrophobicity

  ঘ

  Radical scavengers
• What happens on addition of living polystyrene to C60?
  ক

  Formation of flagellans

  খ

  Formation of fullerols

  গ

  Formation of fullerenols

  ঘ

  Formation of fullerides
• Choose from the following a method that is used for the synthesis of side chain polyfullerenes.
  ক

  C60 or its derivatives are mixed and randomly allowed to react

  খ

  Polymers embedded with pendant reacting moieties are reacted with C60

  গ

  C60 or its derivatives are directly homopolymerized together with other monomers

  ঘ

  Synthesis of polymer first, followed by addition of fullerenes
• Which of the following is not a kind of fullerodendrimers?
  ক

  Fullerenes linked to the peripheral position of the dendrimer

  খ

  Fullerenes located at the connection point

  গ

  Fullerenes are located in the dendrimer backbone forming a pearl-necklace structure

  ঘ

  Dendrimer anchored to the fullerene surface
• Which of the following metal has led to the most promising organometallic polymer?
  ক

  Rubidium

  খ

  Palladium

  গ

  Calcium

  ঘ

  Iridium
• Supramolecular polymer fullerenes are of various kinds depending upon their method of production. Which among the following is not a type of supramolecular polymer?
  ক

  Systems obtained by interaction between functionalized polymers and fullerenes

  খ

  Several dendrons remain attached to the fullerene core forming a globular structure

  গ

  Concave – convex complementary interactions involving ditopic concave guests and fullerene

  ঘ

  Assemble of self-complementary C60 derivatives
• Which of the following is not a use of organometallic polymer films?
  ক

  Batteries

  খ

  Photovoltaic solar cell

  গ

  Wall paints

  ঘ

  Electrochemical sensor
• What kind of fullerene polymers resembles the shape of flagellated unicellular protozoa?
  ক

  Organometallic polymers

  খ

  End-capped polymers

  গ

  Main-chain polymers

  ঘ

  Star-shaped polymers