3. Acids and Bases

Which of the following correctly identifies the major organic products, labeled as a and b, formed in each step of the following two-step synthesis: Step 1: Bromination of $\mathrm{cyclohexene}$ with ${\mathrm{Br}}_2$ in $\mathrm{CCl}4$; Step 2: Treatment of the product with aqueous $\mathrm{NaOH}$?

In the following organic reaction, what is the missing reactant? $\mathrm{CH}{3}_2\mathrm{CHBr}+?\to \mathrm{CH}{3}_2\mathrm{CHOH}$

What color do gram-negative bacteria exhibit after Gram staining?

Given the following reaction sequence: 1-bromopropane is treated with aqueous ${\mathrm{Na}}_{\mathrm{OH}}$ followed by acidification, predict the major organic product.

What is the primary function of the light reactions in photosynthesis?

In a Diels-Alder reaction, which combination of diene and dienophile would produce $C_6{H}_{10}$ (cyclohexene) as the product?

Which of the following dyes is used first in an acid-fast stain?

Given the reaction of $C_2{H}_5\mathrm{Br}$ (ethyl bromide) with aqueous $\mathrm{NaOH}$, what is the most likely product?

Which of the following is the correct final product when ${\mathrm{CH}}_3\mathrm{CH}{2}_2\mathrm{OH}$ is treated first with concentrated $H_2\mathrm{SO}{4}_4$ (heat), then with aqueous ${\mathrm{Br}}_2$?

Which of the following reactions is an example of a nucleophilic substitution reaction in organic chemistry?

Which of the following is the major product when 2-methyl-2-butene reacts with $H_2\mathrm{SO}{4}_{}$ and water (hydration under acidic conditions)?

Which of the following statements is true regarding the $\mathrm{Diels}-\mathrm{Alder}$ reaction in organic chemistry?

Which of the following describes how a competitive inhibitor works in an enzyme-catalyzed reaction?

Which of the following correctly identifies the missing intermediate in the following synthetic sequence: benzene $\to$ nitration $\to$ reduction $\to$ acylation?

Which of the following compounds is the major organic product formed when ${\mathrm{CH}}_3\mathrm{CH}{\mathrm{Br}}_2$ reacts with aqueous ${\mathrm{NaOH}}_{\mathrm{}}$ in a substitution reaction?