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The compound C 4 H 10 O 4 reacts with acetic anhydride to give a derivative with the formula C 12 H 18 O 8 . Then find the number of OH group present in original substance.

The compound C4H10O4 reacts with acetic anhydride to give a derivative with the formula C12H18O8. Then find the number of OH group present in original substance.

Grade:12

3 Answers

G Narayana Raju
51 Points
10 years ago

there are 4 -OH groups present

SOHAN SARANGI
18 Points
10 years ago

Mr.Raju can u pls explain..

G Narayana Raju
51 Points
10 years ago

let us take an example,

(CH3CO)2O + CH3CH2OH → CH3CO2CH2CH3 + CH3COOH

so we see when it is reacted with acetic anhydride the OH group is replaced with -CO2CH3CH2

so there must be 4 -OH groups in C4H10O4 please approve both the reply.

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