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CHemistry...Please help

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Rank these liquids by their expected surface tension.

Rank from greatest to least surface tension.

1.CH3CH2OCH3
2.CH3CH2CH2-OH
3.CH3CHOHCH2-OH
4.HO-CH2CHOHCH2-OH


So as Dr. Bob mentioned to me before surface tension is how the surface molecules stick together. Does that mean 1 has the highest surface tension.

  • CHemistry...Please help - ,

    I would think 4 would have the highest surface tension because you have three OH groups and that will provide more opportunities for hydrogen bond formation. With that in mind, note that #3 has two OH groups, #2 has 1 OH group, and #1 has no OH groups.

  • CHemistry...Please help - ,

    rank in order of most oh groups to least that will be the same as highest surface tension to lowest

  • CHemistry...Please help - ,

    3
    2
    4
    1

  • CHemistry...Please help - ,

    4,3,2,1 is the right answer the more OH group the highest surface tension.

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