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Standard XII

Chemistry

Hydrolysis of Cyanides

an organic co...

Question

an organic compound (A) reacts with ethanol to give (B) and (C). on hydrolysis (c) gives (B) and (D). oxidation of (d) gives (B). B is an acid and forms a salt with Ca(OH)2 which on dry distillation gives E, C3H6O. identify the compounds At to E and write all reactions involved

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Solution

Dear Student,

A=Acetic Anhydride , B=Acetic Acid , C=Ethyl acetate , D=Ethanol , E = Acetone

Reactions:
$1 . (C H_{3} C O)_{2} O + C_{2} H_{5} O H \to C H_{3} C O O H + C H_{3} C O O C_{2} H_{5} A B C 2 . C H 3 C O O C 2 H 5 \overset{H^{+}}{\to} C H 3 C O O H + C 2 H 5 O H C B D 3 . C 2 H 5 O H \to_{O x i d a t i o n}^{K M n O 4} C H 3 C O O H D B 4 . C H 3 C O O H \to_{△}^{C a (O H)_{2}} C H 3 C O C H 3 B E$

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an organic compound (A) reacts with ethanol to give (B) and (C). on hydrolysis (c) gives (B) and (D). oxidation of (d) gives (B). B is an acid and forms a salt with Ca(OH)2 which on dry distillation gives E, C3H6O. identify the compounds At to E and write all reactions involved

Dear Student, A=Acetic Anhydride , B=Acetic Acid , C=Ethyl acetate , D=Ethanol , E = Acetone Reactions: 1. (CH3CO)2O + C2H5OH→CH3COOH + CH3COOC2H5 A B C2. CH3COOC2H5 →H+ CH3COOH + C2H5OH C B D3. C2H5OH →OxidationKMnO4 CH3COOH D B4.CH3COOH →△Ca(OH)2 CH3COCH3 B E Regards