11th Class Chemistry The p-Block Elements-I

  • question_answer 86)   Assertion (A): Silicones are water repelling in nature. Reason (R): Silicones are organosilicon polymers, which have \[(-{{R}_{2}}SiO-)\] as repeating unit. (a) Both A and R are correct and R is the correct explanation of A. (b) Both A and R are correct but R is not the correct explanation of A. (c) Both A and R are not correct. (d) A is not correct but R is correct.

    Answer:

      (b) Silicones are organosilicon polymers and they are nydrophobic in nature. Silicones neither react nor absorb water molecules.


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