Select the correct statement. a) For the noble gases the dispersion forces decrease while the boiling points increase as you go down the column in the periodic table. b) CBr4 has a higher vapor pressure at the same temperature than CCl4. c) (CH3)2CHCI has stronger dispersion forces than CH3CH2CH2CI. d) All other factors being the same, dispersion forces between linear molecules are greater than those between molecules whose shapes are nearly spherical. e) H2O has stronger dispersion forces than H2S.

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