Choose the pair of substances that are most likely to form a homogeneous solution.

Question

N2O4 and NH4Cl

C6H14 and C10H20

LiBr and C5H12

C6H14 and H2O

None of the pairs above will form a homogeneous solution.

Answer 1

Like dissolves like.
That is, polar solvents dissolve polar solutes but not non-polar solutes and non-polar solvents dissolve non-polar solutes.

Answer 2

c6h14 and c10h20