Respuesta :
Answer: Option (C) is the correct answer.
Explanation:
When a mixture contains two or more components that are evenly mixed together in a solvent is known as a homogeneous solution. And, whenever there occurs unequal distribution of components of the solvent and solute then the resulting solution is known as heterogeneous solution.
For example, when [tex]NH_{3}[/tex] and [tex]CH_{3}OH[/tex] are mixed together then there will occur hydrogen bonding between these two molecules.
But when NaCl and Hg are mixed then they will not combine with each other. Hence, the distribution will be uneven. So, the solution will not be homogeneous.
Similarly, LiF and [tex]C_6H_14[/tex], [tex]C_3H_8[/tex] and [tex]C_2H_5OH[/tex], [tex]Br_{2}[/tex] and [tex]PF_{3}[/tex] will also lead to the formation of heterogeneous solution.
Thus, we can conclude that out of the given options [tex]NH_{3}[/tex] and [tex]CH_{3}OH[/tex] is the pair of substances that are most likely to form a homogeneous solution.
NH3 and CH3OH are most likely to form a homogenous solution.
• A solution that has same composition throughout the solution is known as the homogenous solution.
• For producing homogenous solution, there is a need of the strong association between the solute and solvent.
• It is known that polar molecule interact robustly with polar molecule and non-polar molecule interact with non-polar molecule.
• Therefore, like dissolve like, that is, polar molecule dissolves into polar solvent, and non-polar molecule dissolves into non-polar solvent.
• Both NH3 or ammonia and CH3OH are the polar molecules and they form strong hydrogen bonding with each other. Thus, they will produce a homogenous solution.
Thus, correct answer is option C, that is, NH3 and CH3OH.
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