Which is the monomer of neoprene in the following from Chemistr

Subject

Chemistry

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

41.

Nitrobenzene on reaction with conc. HNO3/H2SO4 at 80-1000C forms which one of the following products?

  • 1,2-dinitrobenzene

  • 1,3- dinitrobenzene

  • 1,4-dinitrobenzene

  • 1,4-dinitrobenzene

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42.

Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?

  • -Cidentical toN

  • -SO3H

  • -COOH

  • -COOH

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43.

Which of the following compounds will not undergo Friedel -Craft's reaction easily?

  • Cumene

  • Xylene

  • Nitrobenzene

  • Nitrobenzene

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44.

In the reaction,

  • HgSO4/H2SO4

  • Cu2Cl2

  • H3PO2 and H2O

  • H3PO2 and H2O

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45.

Which is the monomer of neoprene in the following

  • CH subscript 2 space equals CH minus straight C identical to CH
  • CH subscript 2 space equals space straight C space minus CH space equals CH subscript 2
space space space space space space space space space space space space space space vertical line
space space space space space space space space space space space space space space CH subscript 3
  • CH subscript 2 space equals space straight C space minus CH space equals CH subscript 2
space space space space space space space space space space space space space space vertical line
space space space space space space space space space space space space space Cl
  • CH subscript 2 space equals space straight C space minus CH space equals CH subscript 2
space space space space space space space space space space space space space space vertical line
space space space space space space space space space space space space space Cl


C.

CH subscript 2 space equals space straight C space minus CH space equals CH subscript 2
space space space space space space space space space space space space space space vertical line
space space space space space space space space space space space space space Cl

Neoprene is synthetic rubber and is a polymer of chloroprene which is chemically 2-chlorobuta-1,3-diene.

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