A compound with molecular formula C4H10O3 is converted by the action of acetyl chloride to a compound with molar mass 190. The original compound has: 

(a) one OH group
(b) two OH groups
(c) three OH groups
(d) no OH group

Concept Videos :-

#1 | Preparation of Alcohols
#2 | Preparation of Alcohols: II
#3 | Preparation of Alcohols: III
#4 | Properties of Alcohols & Phenols (Comparative)
#5 | Chemical Properties of Alcohols
#7 | Preparation & Properties of Dihydric Alcohols
#8 | Reactions of Dihydric Alcohol
#9 | Preparation & Properties of Trihydric Alcohols

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties

ROH + CH3COCl ------- ROCOCH3 + HCl 

    M                                   (M + 42)

 Acylation of each OH group results in an increase of molecular mass of 42. In the given problem molecular mass of the compound increases by 84 on acylation. Therefore, the compound has two OH groups.

Difficulty Level:

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