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help please and thank you 10. Which of the following have an enol form? I. benza

ID: 878702 • Letter: H

Question

help please and thank you 10. Which of the following have an enol form? I. benzaldehyde, CHsCHO II. 2,2-dimethylpropanal, (CHs)CCHO III. 2-chloropropanal, CH,CHCICHO A. only I B. only C. only 111 D. all of them have an enol form ) .11 How many alpha hydrogens are there on 2,4-dimethyl-3-pentanone? A. two B. three C. four D. six 12. Identify the keto form of the following enol. OH A. 1-penten-3-one C. (E)-3-penten-2-one B. 2-pentanone D. (E)-3-pentenal I. Please predict all organic product(s) of the following reactions, showing stereochemistry appropriate. (34") Heat Na2CO3. H20 Heat K2CO3. H20 HH water-ether HBr (D-2H) 1. diethyl ether 2. H30* r (6) +CHO Hla KCN ethanol-acetic acid

Explanation / Answer

11. There are two alpha hydrogens in 2,4 position.