Exam 27: Reactions of Organic Compounds

Which of the following statements correctly describe the step-reaction polymerization? I.It is also called condensation polymerization. II.It produces polymers of moderately high molecular masses. III.It requires that monomers have functional groups that can join together. IV.This type of polymerization is fast. V.It is accompanied with the addition of a small molecule.

What is the main product of the following reaction?

Arrange the following radicals in the order of increasing stability:

Which of the following steps can be found in E1 reaction mechanism? I.formation of a carbocation II.attack of the base and removal of a proton from carbocation III.attack of a nucleophile IV.formation of a carboanion

In which of the following reactions can alcohol participate? I.oxidation reactions II.elimination reactions III.amide synthesis IV.peptide synthesis V.ester synthesis

H₃C∙ + ∙Cl → H₃C-Cl is an example of:

Which are the most probable reactions and mechanisms in which tertiary haloalkanes participate? I.Substitution,S_N1 II.Substitution S_N2 III.Elimination E1 IV.Elimination E2 V.Addition

What is "retrosynthesis"?

Nucleophiles are electron poor atoms,ions or groups.

The common general anesthetic neothyl can be produced by the following dehydration reaction.What is the systematic name of neothyl? CH₃CH₂CH₂OH + CH₃OH ?

The chlorination of benzaldehyde is producing:

The physical properties of polymers depend on: I.the average molecular mass of a chain II.the strength of intermolecular forces between the chains III.the reaction temperature applied during synthesis IV.the degree of crystallinity V.the reaction pressure

Identify the product(s)and mechanism for the following reaction:

In a substitution reaction an atom,an ion or a group in one molecule is replaced by another atom,ion or group.

Which of the following are electrophiles? I.CH₃CH₂NH₂ II.Br⁺ III.CH₃OH

We can promote S_N2 over S_N1 reactions if we: I.use a substrate that gives a primary carbocation and not tertiary carbocation II.use a sterically hindered substrate III.use a polar protic solvent

Arrange the following in the order of decreasing nucleophilicity: H₂N^-,HO^-,HCOO^-,CH₃O^-

Give the correct mathematical expression for the rate law for E2 reactions (S is a substrate and B is a base).

Which reagents would you use for the following transformations?

Find a group that is a ortho,para director in electrophilic aromatic substitution.