CHE 2A Study Guide - Final Guide: Lead, Multiple Choice

Reacts with O, to form oxides Displace H, from acid Displace H, from steam Nobel Metals Displace H, from water Li K Ba Ca Na Mg Al Mn Zn Cr Fe Cd Co Ni Sn Pb H, Sb As Bi Cu Ag Hg Pt Au Most Active Least Active Fig. 1 Activity series of metals. H2 is included for reference

Which of the following is the weakest oxidizing agent? A) Fe^2+(aq) B) Cr^3+(aq) C) Sn^4+(aq) D) K^+(s) E) Cu^+(s) Determine which of the following pairs of reactants will result in a spontaneous reaction at 25 degree C. A) Pb^2+(aq) + Au(s) B) Ag^+(aq) + Br^-(aq) C) Na^+(aq) + Al(s) D) Fe^3+(aq) + Al(s) E) None of the above pairs will react.

3 4 5 6 7 0 He B C N O F Ne Al Si P S CI Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb TeI Xe Cs Ba La Hf Ta W Re Os Ir Pt Au Hg TI Pb Bi Po At Rn Li Be Na Mg Fr Ra Ac Rf Db Sg Bh Hs Mt Ds Rg Alkali metals Transition metals Halogens Noble gases