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Solution


Q.

Given below are two statements:                   [2025]

Statement I: Dimethyl ether is completely soluble in water. However, diethyl ether is soluble in water to a very small extent.

Statement II: Sodium metal can be used to dry diethyl ether and not ethyl alcohol.

In the light of given statements, choose the correct answer from the options given below:
1 Statement I is false but Statement II is true.  
2 Both Statement I and Statement II are false.  
3 Statement I is true but Statement II is false.  
4 Both Statement I and Statement II are true.  

Ans.

(4)

Statement I: Due to hydrogen bonding with water dimethyl ether is completely soluble in water. However due to increased hydrophobic part in diethyl ether, its solubility in water is less than that of dimethyl ether.

Statement II: Ethyl alcohol reacts with Na metal to evolve hydrogen.

C2H5OH+Na→C2H5ONa+12H2