Question Topics: Reactivity 3.1 Proton transfer reactions

Which solution is acidic at \( 25^{\circ}C \)?

Which equation correctly describes a chemical reaction?

Which of these bases has the strongest conjugate acid? Base properties: \( NH_3 \): \( K_b = 1.8 \times 10^{-5}

What is the pH of a buffer solution which contains \( 0.500 \, mol \, dm^{-3} \) of methanoic acid

What is the pH of \( 0.0010 \, mol \, dm^{-3} \, HCl(aq) \)?

What is the main reason why sulfuric acid has a lower pH than methanoic acid of the same concentration?

Which salt is basic?

What is the best indicator to use in the titration of phenylamine with nitric acid?

Which solution has a pH of 9.0?

What is required to convert a base into its conjugate acid?