Which one of the following is a redox reaction? a) 2KBr(aq) + Pb(NO3 )2 (aq) → 2KNO3 (aq) + PbBr2 (s) b) 2Al(s) + 3H2SO4 (aq) → Al2 (SO4 )3 (aq) + 3H2 (g) c) CaBr2 (aq) + H2SO4 (aq) → CaSO4 (s) + 2HBr(g) d) H+ (aq) + OH– (aq) → H2O(l)

How many electrons are transferred in the following reaction? Cd + 2HCl → CdCl2 + H2

What is the major product when 2-methylprop-1-ene is treated with HBr at room temperature?

The following reaction occurs in basic solution: F2 + H2O → O2 + F– When the equation is balanced, the sum of the coefficients is:

Consider an electrochemical cell with a zinc electrode immersed in 1.0 M Zn2+ and a silver electrode immersed in 1.0 M Ag+.

Calculate the [H+] in a solution that is 0.18 M in NaF and 0.25 M in HF. (Ka = 7.2 × 10–4)

Which type of alcohols are oxidized to produce carboxylic acids?

Given the following reaction in acidic media: Fe2+ + Cr2O72– → Fe3+ + Cr3+ answer the following question: The coefficient for water in the balanced reaction is:

State the condensed electron configuration of b. S^2- (sulfur anion)

Calculate the [H+] in a solution that has a pH of 9.48.

Which of the following is NOT a strong base?

Which of the following would you expect to have the highest boiling point? ethanol, ethyl ethanoate, ethanoic acid, ethane, ethene, ethyne, ethanal or chloroethane?