Class XII Chemistry Polymers 1

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Question 1

In the reaction–
nCH₂–CH=CH₂
Reagent X is–

• ATriethylaluminiumandtitanium tetrachloride
• BTriethyl aluminium
• CZeigler Natta Catalyst
• Dboth A & C

Question 2

Identify X & Y
2HC≡CH HC≡C–CH=CH₂ Y

• AZeigler catalyst; CH₃–CH = C = CH.Cl
• BCu₂Cl₂, NH₄Cl ; CH₂= CH– = CH₂
• C(C₆H₅–CO)₂O; CH₂=CH– = CH₂
• DCu₂Cl₂, NH₄Cl ; CH₃–CH= C =CHCl

Question 3

Which of the following is fully fluorinated polymer?

• ANeoprene
• BTeflon
• CThiokol
• DPVC

Question 4

Buna-N synthetic rubber is a copolymer of:

• A and H₂C = CH – CH = CH₂
• BH₂C = CH – CH = CH₂ and H₅C₆ – CH = CH₂
• CH₂C = CH – CN and H₂C = CH – CH = CH _­2
• DH₂C = CH – CN and

Question 5

The letter D in D-glucose signifies–

• Adextrorotatory
• Bmode of synthesis
• Cits configuration
• Dits diamagnetic nature

Question 6

The monomer of PMMA is–

• AMethyl methacrylate
• BEthyl acrylate
• CAcrylonitrile
• DMethyl acrylate

Question 7

Which one of the following polymers is prepared by condensation polymerization?

• ANylon-66
• BTeflon
• CRubber
• DStyrene

Question 8

Caprolactum is used for the manufacture of

• ANylon-6
• BTeflon
• CTerylene
• DNylon-6,6

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