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Solution


Q.

A hydroxy compound (X) with molar mass 122 g mol-1 is acetylated with acetic anhydride, using a large excess of the reagent ensuring complete acetylation of all hydroxyl groups. The product obtained has a molar mass of 290 g mol-1. The number of hydroxyl groups present in compound (X) is:           [2026]
1 5  
2 2  
3 3  
4 4  

Ans.

(4)