Multiple Choice Questions

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Which one of the following is an example of a thermosetting polymer?


A.

Novolac, a condensation polymer of phenol and formaldehyde is a thermosetting polymer. Neoprene rubber are thermoplastic polymers. while nylon-6,6  is a polyamide which is commonly known as fibre.

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Among the following sets of reactants which one produces anisole?

  • CH3CHO;RMgX

  • C6H5OH;NaOH; CH3I

  • C6H5OH;neutral FeCl3

  • C6H5OH;neutral FeCl3

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What products are formed when the following compounds is treated with Br2 in the presence of FeBr3?

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Which of the following organic compounds polymerises to form the polyester dacron?

  • Propylene and para HO-(C6H4)-OH

  • Benzoic acid and ethanol

  • Terephthalic acid and ethylene glycol

  • Terephthalic acid and ethylene glycol

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D-(+)- glucose reacts with hydroxylamine and yields an oxime. The structure of the oxime.The structure of the oxime would be

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