Respuesta :
Answer: The correct answer is (A).
Explanation :
[tex]CH_3OCH_3[/tex] that is dimethyl ether will be least soluble in water because extent of hydrogen bonding interaction with water molecules are weakest in comparison to other listed options.
Where as :
- In [tex]CH_3CH_2OH[/tex] that is ethanol,in which extent of inter-molecular hydrogen bonding with water molecules will be highest due to the presence of polar (-OH) group.Where as ([tex]-NH_2[/tex]) group is less polar than that of the (-OH) group.
- in [tex]CH_3NH_2[/tex] that is methyl amine in which extent of hydrogen bonding will higher than than that of the [tex]CH_3CHO[/tex] that is ethanal. This is due to presence of two hydrogen atoms in primary amine which are available for inter-molecular hydrogen bonding with water molecules.
So, the order of solubility from least soluble to highly soluble compound in water will be:
[tex]CH_3OCH_3<CH_3CHO<CH_3NH_2<CH_3CH_2OH[/tex]
We have that from the Question"Which one of the following compounds will be least soluble in water? " it can be said that CH3OCH3 is a Non polar compound and the least polar
therefore the least soluble compound in all
- CH3OCH3
Option A
From the Question we are told
Which one of the following compounds will be least soluble in water?
A. CH3OCH3
B. CH3CHO
C. CH3CH2OH
D. CH3NH2
Generally
The least polar compound will be the least soluble in water
this is because water is a polar molecule and since like soluble dissolve like solubles we have that "The least polar compound will be the least soluble in water"
Therefore
CH3OCH3 is a Non polar compound and the least polar
therefore the least soluble compound in all
CH3OCH3
Option A
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