(R)-3,3-diethylcyclohexanol Potassium tert-butoxide ←→ O Ask Copilot 15. Which of the following can react as a nucleophile? (A) (CH3)3B (B) (CH3)3CH C(CH3)3N (D) (CH3)30* (A) ме Mc -B- -

Draw the products formed when ethylene oxide is treated with following reagent. [1] −OH; [2] H2O

Draw the products formed when phenol (C6H5OH) is treated with following set of reagents. [1] CH3CH2Cl, AlCl3; [2] Br2, hν

What functional group is shown here: CH3CH₂COOH carboxylic acid ether alcohol ketone aldehyde

Write IUPAC names for these compounds. (a) Cl (b) (c) NO2 COOH COOH OH

Nonconjugated , -unsaturated ketones, such as 3-cyclohexenone, are in an acid-catalyzed equilibrium with their conjugated , -unsaturated isomers. Propose a mechanism for this isomerization.

Citronellol ((3R)-3,7-dimethyloct-6-en-1-ol, C10H20O) is an organic fragrance found in the oil extracted from lemon grass. a) Name the two functional groups present in the molecule.  b) When a few drops of bromine dissolved in hexane is added to a sample of citronellol the brown colour of the bromine rapidly disappears. i. What type of chemical reaction has occurred? ii. Draw the structure of the product formed. iii. Name the product.  c) The product formed when citronellol is heated with a mixture of potassium dichromate and sulfuric acid gives a yellow/orange precipitate when shaken with Brady’s reagent (2,4-dinitrophenylhydrazine). It also shows a positive result with Fehling’s solution. i. What type of chemical reaction has occurred ? ii. What type of functional group is present in the product?  d) Explain the type of stereoisomerism which may occur in citronellol.

compound H CH, — N — С — СН — СН, || amide - CH, — CH, — с — СH, - - CH3 – CH = CH - CH

2-pentanone +H2O

Determine the type of reaction and the major product of the following reaction. Please explain the process leading up to your conclusion.