11. The number of unpaired electrons in K_4[Co(CN)_6] is: (3 points) (A) 0 (B) 1 (C) 2 (D) 3 (E) None of these

15. Which of these involves reductive elimination? (3 points) (A) \( \mathrm{Rh(Cl)(PPh_3)_3 + CH_3I\rightarrow trans - Rh(Cl)(PPh_3)_3(CH_3)(I)} \) (B) \( \mathrm{NH_4[Re(CO)_5] + CH_3I\rightarrow Re(CO)_5CH_3 + NH_4I} \) (C) \( (\mathrm{C_5H_5})\mathrm{Fe}(\mathrm{CO})_2\mathrm{CH}_2\mathrm{CH}_3\rightarrow \mathrm{CO} + (\mathrm{C_5H_5})\mathrm{Fe}(\mathrm{CO})(\mathrm{H})(\pi -\mathrm{CH}_2\mathrm{CH}_2) \) (D) \( (\mathrm{C_5H_5})\mathrm{Mn(CO)_3 + PPh_3}\rightarrow \mathrm{CO} + (\mathrm{C_5H_5})\mathrm{Mn(CO)_2(PPh_3)} \) (E) \( \mathrm{NH_4[Ni(CH_3)(CO)_3] + HI\rightarrow CH_4 + NH_4[Ni(CO)_3I]} \)

11. The number of unpaired electrons in $\mathrm{K}_4[\mathrm{Co}(\mathrm{CN})_6]$ is: (3 points)
(A) 0
(B) 1
(C) 2
(D) 3
(E) None of these

相關試題

相關試卷

11. The number of unpaired electrons in $\mathrm{K}_4[\mathrm{Co}(\mathrm{CN})_6]$ is: (3 points)(A) 0(B) 1(C) 2(D) 3(E) None of these

相關試題

相關試卷

11. The number of unpaired electrons in $\mathrm{K}_4[\mathrm{Co}(\mathrm{CN})_6]$ is: (3 points)
(A) 0
(B) 1
(C) 2
(D) 3
(E) None of these