10. Addition Reactions

Which of the following equations represents an addition reaction?

Which of the following best represents the major product formed when an $\mathrm{aldehyde}$ is treated with ${\mathrm{ethylene}}_{\mathrm{glycol}}$ in the presence of $\mathrm{acid}$?

Which of the following is the correct major product when 1-butene undergoes hydroboration-oxidation (using ${\mathrm{BH}}_3$ followed by $H{2}_O/\mathrm{OH}-$)?

In the addition of one mole of $H_2$ to ethyne ($C_2{H}_2$) in the presence of a metal catalyst, what is the major organic product formed?

Which of the following reaction conditions would result in anti-Markovnikov addition to an alkene?

When the alkene shown below undergoes bromination with ${\mathrm{Br}}_2$ in an inert solvent, what is the major product formed?

When water is added to an $\mathrm{alkyne}$ in the presence of acid and mercuric ion catalyst, which major product is typically formed after keto-enol tautomerism?

Which of the following compounds undergoes the most highly regioselective addition of $HBr$?

Which of the following correctly identifies the major 1,2- and 1,4-addition products formed when ${\mathrm{CH}}_2=\mathrm{CH}-{\mathrm{CH}}_2=\mathrm{CH}\mathrm{CHO}$ reacts with HBr at low temperature?

Which of the following is the major product formed when $1-3-\mathrm{butadiene}$ reacts with $\mathrm{propenal}$ in a Diels-Alder reaction?

Which of the following addition reactions of alkenes proceeds with anti stereochemistry only?

Which compound is formed as the major oxidation product when cyclohexene is treated with cold, dilute ${\mathrm{KMnO}}_4$ in water?

Alkenes undergo an addition reaction with borane in tetrahydrofuran (THF). For the reaction below: $R-C=CH\mathrm{R\text{'}}$ + $B_{2}H6$ (in THF) → product. What is the major organic product of this hydroboration-oxidation sequence after subsequent treatment with hydrogen peroxide and sodium hydroxide?

When $H_{\mathrm{Br}}$ is added in a 1:1 ratio to an unsymmetrical diene such as 1,3-butadiene, which of the following best describes the major products formed from mono addition?

Which of the following represents the structure of the product formed when $C_2{H}_4$ reacts with water in the presence of an acid catalyst?