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quasarJose

Answer:

CH3CH3CH2CH3

Explanation:

Octane is a non-polar compound. It is a hydrocarbon with 8-carbon length along its chain.

It belongs to a special group of hydrocarbons called alkanes.

What makes a substance soluble in another?

   It is a common phrase that  "like dissolves like". This is applicable to solubility of substances in another.

  • A polar solvent will freely and easily dissolve a polar solute. For example, water and salt.
  • A non-polar solvent will also dissolve a non-polar solute. This case, hydrocarbons will dissolve themselves.
  • The first option is a butane, a 4-carbon length hydrocarbon which will be dissolved in octane.
  • Both compounds are non-polar.

a. CH₃CH₃CH₂CH₃

Octane:

Octane is a hydrocarbon and an alkane with the chemical formula C₈H₁₈. It is a non-polar compound.

General Solubility rule: The Golden Rule of Solubility states that "like dissolves like", referring to the fact that compounds that are both polar or both nonpolar tend to mix, while a nonpolar compound typically would not interact with a polar one.

Now we know that alkanes are non- polar in nature, Alkanes are nonpolar molecules, since they contain only non-polar carbon-carbon and carbon-hydrogen bonds and also octane is non-polar thus we can say that like dissolves like and both are non-polar compound thus alkane will be most soluble in octane than other functional groups.

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