Rank the following compounds in order of decreasing vapor pressure.

Rank the following compounds in order of decreasing vapor pressure. Rank from highest to lowest vapor pressure. To rank items as equivalent, overlap them. ► View Available Hint(s) Reset Help CH3CHCH2CH3 CH3CH2CH2CH2OH CH3CH2CH2CH2CH3 CH4 CH3 Highest Lowest The correct ranking cannot be determined. Submit

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Rank the following compounds in order of decreasing vapor pressure. Rank from highest to lowest vapor pressure. To rank items as equivalent, overlap them. ► View Available Hint(s) Reset Help CH3CHCH2CH3 CH3CH2CH2CH2OH CH3CH2CH2CH2CH3 CH4 CH3 Highest Lowest The correct ranking cannot be determined. Submit

Higher intermolecular forces present within the compound will
have low vapour pressure.
CH4 has very weak vanderwall force so it has very high vapour
pressure
2-methylbutane has Vander wall force greater than the CH4 so
it’s vapour pressure will be slightly less
Pentane has high Vander wall forces because structure is
symmetrical so it has low vapour pressure.
Butanol has hydrogen bonding so it will have very low vapour
pressure.
Correct order
4 , 2 ,3, 1
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What our team says

Rank the following compounds in order of decreasing vapor pressure.

In this simple quiz, you will be ranking compounds in order of decreasing vapor pressure. Compound A has the highest vapor pressure, followed by Compound B, and finally Compound C.

Water

Hydrogen
Oxygen
Carbon dioxide

Alcohol

Alcohol is a chemical compound that is composed of molecules of hydrogen and carbon. It is a clear, colorless liquid that has a characteristic odor. Alcohol is used in many products, including beer, wine, and liquor.

Alcohol vapor pressure decreases as the molecule size increases. This is due to the diminished probability of collisions between hydrogen and carbon atoms, which leads to decreased vapor pressure. The smallest molecule of alcohol has the lowest vapor pressure and the largest molecule has the highest vapor pressure.

Methanol

Methanol is the least vapor pressure dense compound among those listed.

Ethanoloxide

1. Ethanol
2. Ethylene glycol
3. Propylene glycol
4. Butane
5. Pentane
6. Hexane

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Isopropyl alcohol

Methyl alcohol
Ethyl alcohol
Propyl Alcohol
Butanol

Butanol

Butanol has the lowest vapor pressure of the compounds listed.

Carbon dioxide

Hydrogen
Nitrogen
Oxygen

Nitrogen

Nitrogen is the least vapor pressure-rich of the six compounds. This means that when nitrogen is vaporized, it forms the weakest gas in the atmosphere.

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