11. Which of the following halogens has the strongest oxidizing power? A. I B. Bra C. Cl D. F2 12. Consider the followin
Posted: Fri Apr 29, 2022 12:43 pm
11. Which of the following halogens has the strongest oxidizing power? A. I B. Bra C. Cl D. F2 12. Consider the following chemical equation: HNO: +pFeCl2 + HCl → FeCl3 + NO + 2H2O Which of the following combinations is correct? 2 4 r 3 2 1 B. 3 3 3 1 2 D. 1 13. The following are part of an E.C.S.: A. C. 3 2 1 Stronger reducing agent + A2+(aq) + 2e = A(s) B+ (aq) + 2e = B(s) Stronger oxidizing agent (aq) + 2 = C(s) Which of the following reactions is possible? A. B(s) + A+ (aq) → B (aq) + A(s) B. A(s) + B+ (aq) → A+(aq) + B(s) C. A++ (aq) + C(s) → A(s) + (aq) D. Baq) + C(s) B(s) + (aq) - + Part B: Structured questions (32 marks) 1. Give the oxidation number of the underlined elements in each of the following chemical species: (a) CaSO4 (b) K Cr20 (c) CaCO3 (d) CrO2 (e) P4010 (f) SO (g) HSO: (h) PO, (1) NF: