21. The chlor-alkali process produces chlorine, Cl2(g), in large quantities. What other industrially important substances are produced in this process? (A)Na(s), H2(g) (B)H2(g), O2(g) (C)Hg(l), NaCl(s) (D)Na(s), O2(g) (E)NaOH(aq), H2(g)

7. Consider the following octahedral complex structures, each involving ethylenediamine and two different monodentate ligands, X and Y. Which one of the following statements about these structures is incorrect? (A)Structures 1 and 2 are optical isomers. (B)Structures 1 and 3 are optical isomers. (C)Structures 1 and 3 are different complexes. (D)Structures 1 and 4 are geometrical isomers. (E)Structures 3 and 4 are the same complex.

21. The chlor-alkali process produces chlorine, Cl₂(g), in large quantities. What other industrially important substances are produced in this process?
(A)Na(s), H₂(g)
(B)H₂(g), O₂(g)
(C)Hg(l), NaCl(s)
(D)Na(s), O₂(g)
(E)NaOH(aq), H₂(g)

相關試題

相關試卷