chemistry

posted by .

What is the order that these four compounds would travel through a silica gel column during liquid chromatography?
a) ethylene glycol, HOCH2CH2OH
b) aqueous sodium chloride solution, NaCl (aq)
c) propanol, CH3CH2CH2OH
d) benzene, C6H6
(eluted first), ???, ???, ???, ??? (eluted last)

I was thinking: d, c, a, b

  • chemistry -

    it would be based on size.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. chemistry

    Which solvent will dissolve more in given solute: 1. Ethylene glycol (HOCH2CH2OH) in hexane(C6H14) or H2O 2. Diethyl ether (CH2CH2OCH2CH3) in H2O or CH3OH?
  2. CHEM HELP

    Predict which solvent will dissolve more of the given solute: a) Sodium Chloride in methanol (CH3OH) or in 1-propanol (CH3Ch2Ch2OH) Ans. I believe that sodium chloride would dissolve readily in methanol b) Ethylene glycol (HOCh2Ch2OH) …
  3. Chemistry-thanks

    I have a method using HPLC (high performance liquid chromatography). It states that a 4.6 x 150mm,3um column should be used. (stationary phase : octadecylsilyl silica gel). I have a 4.6 x 100mm,2.7um column, silica-based, bonded-phase …
  4. Chemistry-help needed

    Posted by angie on Saturday, October 8, 2011 at 6:02am. I have a method using HPLC (high performance liquid chromatography). It states that a 4.6 x 150mm,3um column should be used. (stationary phase : octadecylsilyl silica gel). I …
  5. Chemistry

    An aqueous antifreeze solution is 31.0% ethylene glycol (C2H6O2) by mass. The density of the solution is 1.039 g/cm3. Calculate the molality of the ethylene glycol.
  6. chemistry

    what is the molarity of an antifreeze solution glycol in water containing 15.4 g of ethylene glycol (HOCH2CH2OH) and 84.6 g H2O ?
  7. Chemistry

    Arrange the following compounds in order of decreasing ease of elution from a column of silica gel: a) 2-octanol; b) 1,3-dichlorobenzene; c) tert-butylcyclohexane; d) benzoic acid
  8. Chemistry

    Arrange the following compounds in order of decreasing ease of elution from a column of silica gel: a) 2-octanol; b) 1,3-dichlorobenzene; c) tert-butylcyclohexane; d) benzoic acid
  9. organic chemistry

    1. Predict the order of elution of a mixture of triphenylmethanol, biphenyl, benzoic acid, and methyl benzoate from an alumina column. You may need to examine the structural elements in each compound. 2. Once the chromatography column …
  10. Chemistry

    A 1.0L of an aqueous solution of ethylene glycol, HOCH2CH2OH, is 60% HOCH2CH2OH by mass and has a density of 1.15 g/mL. Calculate the morality of the solution.

More Similar Questions