Refer to Figure 17.4 and state whether each of the following reactions is spontaneous or nonspontaneous.

(a) Cr(s) + HCl(aq) → CrCl₃(aq) + H₂(g) 

(b) FeCl₃(aq) + NaI(aq) → FeCl₂(aq) + NaCl(aq) + I₂(s)

Figure 17.4

Transcribed Image Text:

STRONGEST Oxidizing Agent F₂(8) Ch₂(8) Br₂(1) Ag+ (aq) Fe³+ (aq) L₂(s) Cu²+ (aq) 2 H+ (aq) Pb²+(aq) Sn²+ (aq) Ni²+ (aq) Fe²+ (aq) Cr3³+ (aq) Zn²+(aq) Mn²+ (aq) A1³+ (aq) Mg²+ (aq) Na+ (aq) Ca²+ (aq) K+ (aq) Li+ (aq) Weakest Oxidizing Agent +2e™ → +2e → +2e → + e→ + e → +2e → +2e → +2e → +2e → +2e → +2e → +2e → +3e → +2e → +2e → +3e → +2e → Weakest Reducing Agent + e- +2e → + e- + e- 2 F (aq) 2 CI (aq) 2 Br(aq) Ag(s) Fe²+ (aq) 21-(aq) Cu(s) Sn(s) Ni(s) Fe(s) Cr(s) Zn(s) Mn(s) Al(s) Mg(s) Na(s) Ca(s) K(s) Li(s) STRONGEST Reducing Agent H₂(g) Pb(s)