18. Given a qualitative d orbital splitting diagrams of three-fold symmetric homobimetallic complexes shown on the right. The metal-netal bond order of [W2Cl6] is likely to be:(A) 1.(B) 2, (C)3. (D)4. or (E) 5.

18. Given a qualitative d orbital splitting diagrams of three-fold symmetric homobimetallic complexes shown on the right. The metal-netal bond order of [W₂Cl₆] is likely to be:
(A) 1.
(B) 2,
(C)3.
(D)4. or
(E) 5.

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複選題28. Exchange of an H2O ligand on [(CO)3Mn(H2O)3]+is much more rapid than on [(CO)3Re(H2O)3]+. The activation volume for the Mn case is -4.5 ± 0.4 cm3mol-1. The Mn complex has infrared bands at 2051and 1944 cm-1 that can be attributed to C-O stretching vibrations. Which of the following are correct? (A) First row transition metal complexes are generally more substitutionally labile, thus more "weak-field" than second and third row complexes. (B) The negative volume of activation is consistent with a D (or Id) mechanism. (C) Occurrence of two infrared bands of [(CO)3Mn(H2O)3]+ is more consistent with a fac isomer. (D) mer-[(CO)3Mn(H2O)3+ is isostructural with mer-[(CO)3Re(H2O)3]+. (E) The C-O stretching vibrations observed in [(CO)3Mn(H2O)3]+should have higher vibrational frequencies as compared to free CO.

18. Given a qualitative d orbital splitting diagrams of three-fold symmetric homobimetallic complexes shown on the right. The metal-netal bond order of [W₂Cl₆] is likely to be:
(A) 1.
(B) 2,
(C)3.
(D)4. or
(E) 5.

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相關試卷

18. Given a qualitative d orbital splitting diagrams of three-fold symmetric homobimetallic complexes shown on the right. The metal-netal bond order of [W2Cl6] is likely to be:(A) 1.(B) 2,(C)3.(D)4. or(E) 5.

詳解 (共 1 筆)

相關試題

相關試卷

18. Given a qualitative d orbital splitting diagrams of three-fold symmetric homobimetallic complexes shown on the right. The metal-netal bond order of [W₂Cl₆] is likely to be:
(A) 1.
(B) 2,
(C)3.
(D)4. or
(E) 5.