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NEET Sample Paper NEET Sample Test Paper-18

  • question_answer
      Arrange the following in increasing order of their intermolecular forces: Nylon-6,6 (I), Buna-S (II), Polythene (III)

    A)  I, II, III                        

    B)  II, III, I

    C)  II, I, III                        

    D)  III, II, I

    Correct Answer: B

    Solution :

    Nylon-6, 6 are fibres and these are polymers and has strong intermolecular forces such as hydrogen bonding. Buna-S is an elastomer and has weak intermolecular forces. Polyethylene are thermoplastics in which inter- molecular forces of attraction are neither very strong nor very weak the correct order is I > III > II. Hence, the correct option is [b].


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