(a)
Interpretation:
Enol tautomer of 2,4-pentanedione has to be drawn.
Concept Introduction:
Tautomerism is the ability of a molecule to exist in more than one chemical form. Tautomers are formed by the migration of a hydrogen atom, accompanied by the switching of a single and neighboring double bond.
The only difference in keto-enol tautomers is the location of hydrogen and double bond.
(b)
Interpretation:
Reason for most
Concept Introduction:
Tautomerism is the ability of a molecule to exist in more than one chemical form. Tautomers are formed by the migration of a hydrogen atom, accompanied by the switching of a single and neighboring double bond.
The only difference in keto-enol tautomers is the location of hydrogen and double bond.
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EP ESSENTIAL ORG.CHEM.-MOD.MASTERING
- A. Draw the products of the reaction shown below. Use wedge and dish bonds to indicate the dicarbonyl starting material of the reaction shown below. Ignore inorganic stereochemistry. Ignore inorganic byproducts. byproducts. Draw the products resulting from addition of a Grignard reagent to an aldehyde. D. Draw the products resulting from addition of a Grignard reagent to an aldehydom Use a dash or wedge bond to indicate the stereochemistry of substituents on asymmetric centers, where applicablelgnore any inorganic byproducts. Use a dash or wedge bond to indicate the stereochemistry of substituents on asymmetric centers, where applicablelgnore any inorganic byproducts. 1.00 2. NHSO HO 2.HO Select to Draw 1) PhMgCl (CHMgC CH 2) HCI/H:O ++ 1) vinylmagnesium chloride (CH=CHC 2HC/H.O Select to Edit OH Select to Edit Select to Edearrow_forwardClassify each solvent as protic or aprotic.arrow_forward1. What reagents would cause the following conversions? OH H. H. OH H. HO, 2. What is the mechanism for acetal/ketal formation? OH HO TSOH TSOHarrow_forward
- Also give General formula of the acetal hemiacetal and etherarrow_forwardDraw the enol or keto tautomer(s) of each compound.arrow_forwardINSTRUCTION: MAKE A CHEMICAL REACTION AND DRAW THE PRODUCT OF THE GIVEN COMPOUND. What product is formed when each carbonyl compound is treated with K2Cr207- Potassium dichromate (OXIDIZING AGENT)? ( -- a. a. What product is formed when each compound is treated with Tollens reagent (Ag20, NH4OH)? CH3 H a. b. b. HOCH₂ Draw the hemiacetal and acetal formed when each carbonyl compound is treated with two equivalents of the given alcohol in the presence of H2SO4. CH3 H H + CH₂OHarrow_forward
- 8. Which of the following compounds would be expected to give a positive Tollens' test? a. 3-Pentanone b. Cyclohexanone c. 3-Methylbutanal d. Cyclopentanol e. 2,2-Dimethyl-1-pentanol f. Acetaldehydearrow_forward1. Which of the following organic compounds is the least polar? a. CH3CH2CHO b. CH3COCH3 c. CH3CH2CH2OH d. CH3CH2OCH3 e. CH3COOH 2. Which reagent can be used to convert acetic anhydride to acetic acid? a. NH3 b. CH3COO- c. CH3OH d. None of these e. H2Oarrow_forward9. What type of product results when an aldehyde undergoes an aldol reaction with heat? a. conjugated diene b. B-hydroxy aldehyde c. a,ß-unsaturated aldehyde d. B-ketoesterarrow_forward
- Draw the major product of this reaction. Ignore inorganic byproducts and the alcohol side product. me 1. excess LIAIH4 2. H2O Select to Drawarrow_forwardAddition of water to an alkyne gives a keto‑enol tautomer product. Draw the ketone that is in equilibrium with the given enol.arrow_forwardWhat unsaturated carbonyl compound is formed by dehydration of each β-hydroxy carbonyl compound?arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning