(A) make reactions take place faster
(B) contain elements that are reduced
(C) make reactions take place slower
(D) contain elements that are oxidized
(E) reduce the transfer of electrons- When elemental bromine (Br 2 ) reacts with a solution of sodium iodide (NaI)
(A) bromine will be reduced
(B) bromine will be oxidized
(C) iodine will be reduced
(D) sodium will be reduced
(E) sodium will be oxidizedQuestions 13–15
The following elements are listed in order of decreasing activity as they appear
on the activity series
Ca, Na, Mg, Zn, Fe, H, Cu, Hg, Ag, Au- The element that is the best reducing agent and the easiest to oxidize is
(A) Ca
(B) Au
(C) H
(D) Fe
(E) Cu
Of the following, the element that does NOT react with hydrochloric acid to
produce hydrogen gas is
(A) Zn
(B) Fe
(C) Hg
(D) Ca
(E) Mg
Which of the following statements is NOT true?
(A) Magnesium has a stronger desire to lose electrons than does
mercury.
(B) Gold is often naturally found in its elemental state.
(C) Iron will not replace zinc in a single replacement reaction.
(D) Calcium is often naturally found in its elemental state.
(E) Iron will replace copper in a single replacement reaction.