Which of the species would be expected to be the most miscible in benzene (c6h6)? 1. decane, c10h22 2. hydrogen fluoride, hf 3. methanol, ch3oh 4. silicon dioxide, sio2 5. sugar, c6h12o6?

Answer is: 1. decane, c10h22

This pair will most likely form a homogeneous solution because they are both nonpolar substances and "like dissolves like".

Other pairs will not form homogeneous solution because polar (methanol, sugar) or ionic (hydrofluoric acid) substances have low solubility in nopolar (benzene) substances.

Decane can be the most miscible species in benzene.

1. decane, c10h22

Explanation

The miscibility is the measure of solubility of a solute in a solvent.

As per the rules of solubility, like substances dissolve and unlike substances get suspended.

So here benzene is a non-polar solvent, so the solute which can be most miscible in benzene should also a non-polar nature.

Thus the solute should be non-polar substance to dissolve in non-polar solvent.

Among the options given, decane C10H22 is the non-polar substance which can act as solute.

Thus decane can be the most miscible species in benzene.

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