Organic Chemistry Answers

How can it be ascertained whether a reaction proceeds with a free radical mechanism.

Describe how homolytic fission leads to the mechanism of radical substitution in alkanes.

What is the major product formed in the solvolysis of 3bromo2,3dimethylpentane in ethanol

In SN2 reactions, which of the following statements is INCORRECT?



(1) The rate of the reaction is dependent of the concentration of the nucleophile and the substrate

(2) The nucleophile attacks the carbon from the side of the molecule opposite the group being displaced

(3) The reaction proceeds with simultaneous bond formation and bond breaking

(4) Bulky groups around the reaction site speeds up the reaction.

What is the major product formed in the solvolysis of 3-bromo-2,3-dimethylpentane in ethanol.

What is the major product formed in the reaction of (S)-2-bromobutane with sodium hydroxide in methanol.



(1) trans-but-2-ene

(2) (R)-butan-2-ol

(3) cis-but-2-ene

(4) 2-methoxybutane

Which of the following compounds is the most reactive nucleophile in an SN2 reaction:



(1) H2O



(2) CH3Cl



(3) CH3COOH



(4) Ph-S-

The alkyl halide, 3-bromo-3-ethylpentane, is heated in H2O. Which reaction mechanism is applicable in the formation of the major substitution product?



(1) acid-base reaction mechanism

(2) SN2 mechanism

(3) SN1 mechanism

(4) E1 mechanism

Compound for 3-methylcyclohex-6-en-4-ol

Compound for 5-methylcyclohex-1-en-4-ol