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Solution


Q.

Read the passage carefully and answer the following questions from (i) to (v):

 

Acids show their property due to the presence of hydronium ions in their solutions. They produce hydrogen ions left parenthesis H to the power of plus right parenthesis in the presence of water. Water weakens the bond between the ions and makes them soluble. This is the reason why acids and bases produce ions in aqueous solutions.

In non-polar solvents like benzene and toluene, dry HCl gas or solution does not undergo ionisation. The reason for this split is because the water molecules, being polar, pull the H to the power of plus space a n d space C l to the power of minusapart.

(ii) The correct order of acidic strength is:
1 Water < Hydrochloric acid < Acetic acid  
2 Hydrochloric acid < Water < Acetic acid  
3 Acetic acid < Hydrochloric acid < Water  
4 Hydrochloric acid > Acetic acid > Water  

Ans.

(4)