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Solution
Year: 2024
Topic: Coordination Compounds
2. Given below are two statements:
Statement I: Both \([\text{Co}\left(\text{NH}_3\right)_6]^{3+}\) and \([\text{CoF}_6]^{3-}\) complexes are octahedral but differ in their magnetic behavior.
Statement II: \([\text{Co}\left(\text{NH}_3\right)_6]^{3+}\) is diamagnetic whereas \([\text{CoF}_6]^{3-}\) is paramagnetic .
In the light of the above statements, Choose the correct answer form the options given below
Statement I: Both \([\text{Co}\left(\text{NH}_3\right)_6]^{3+}\) and \([\text{CoF}_6]^{3-}\) complexes are octahedral but differ in their magnetic behavior.
Statement II: \([\text{Co}\left(\text{NH}_3\right)_6]^{3+}\) is diamagnetic whereas \([\text{CoF}_6]^{3-}\) is paramagnetic .
In the light of the above statements, Choose the correct answer form the options given below
(1).Statement I is true but Statement II is false.
(2). Statement I is false but Statement II is true.
(3). Both Statement I and Statement II are true.
(4). Both Statement I and Statement II are false.
Solution
Year: 2024
Topic: Coordination Compounds
3. During the preparation of Mohr’s salt solution (Ferrous ammonium sulphate), which of the following acid is added to prevent hydrolysis of \(Fe^{2+}\) ion
(1).Dilute nitric acid
(2). Dilute sulphuric acid
(3). Dilute hydrochloric acid
(4). Concentrated sulphuric acid
Solution
Year: 2024
Topic: Coordination Compounds
4. Statement I: \([\text{Co}\left(\text{NH}_3\right)_6]^{3+}\) is a homoleptic complex where as \([\text{Co}\left(\text{NH}_3\right)_4]\text{Cl}_2]^+\) is a heteroleptic complex.
Statement II: Complex \([\text{Co}\left(\text{NH}_3\right)_6]^{3+}\) has only one kind of ligands but \([\text{Co}\left(\text{NH}_3\right)_4]\text{Cl}_2]^+\) has more than one kind of ligands.
In the light of the above statements, CVhoose the correct answer from the options given below
Statement II: Complex \([\text{Co}\left(\text{NH}_3\right)_6]^{3+}\) has only one kind of ligands but \([\text{Co}\left(\text{NH}_3\right)_4]\text{Cl}_2]^+\) has more than one kind of ligands.
In the light of the above statements, CVhoose the correct answer from the options given below
(1).Statement I is true but Statement II is false.
(2). Statement I is false but Statement II is true.
(3). Both Statement I and Statement II are true.
(4). Both Statement I and Statement II are false.
Solution
Year: 2025
Topic: Coordination Compounds
5. The correct order of the wavelength of light absorbed by the following complexes is,
A. \([Co\left(NH_3\right)_6]^{3+}\)
B. \([Co\left(CN\right)_6]^{3-}\)
C. \([Cu\left(H_2O\right)_4]^{2+}\)
D. \([Ti \left(H_2O \right)_6 ]^{3+}\)
Choose the correct answer from the options given below:
A. \([Co\left(NH_3\right)_6]^{3+}\)
B. \([Co\left(CN\right)_6]^{3-}\)
C. \([Cu\left(H_2O\right)_4]^{2+}\)
D. \([Ti \left(H_2O \right)_6 ]^{3+}\)
Choose the correct answer from the options given below:
(1).C < A < D < B
(2). B < D < A
(3). B < A < D < C
(4). C < D < A < B
Solution
Year: 2025
Topic: Coordination Compounds
6. Out of the following complex compounds, which of the compound will be having the minimum conductance in solution?
(1).\([\text{Co}\left(\text{NH}_3\right)_5 CI]CI\)
(2). \([\text{Co}\left(\text{NH}_3\right)_5 CI_3]\)
(3). \([\text{Co}\left(\text{NH}_3\right)_4 CI_2]\)
(4). \([\text{Co}\left(\text{NH}_3\right)_56CI_3]\)
Solution
Year: 2025
Topic: Coordination Compounds
7. Which of the following are paramagnetic?
A. \([\text{NICI}_4]^{2-}\)
B. \(\text{Ni(CO)}_4\)
C. \([\text{NICN}_4]^{2-}\)
D. \([\text{NI(H))_2\text{O)}_6]^{2+}\)
E. \(\text{Ni(PPh}_3\text{)}_4\)
Choose the correct answer from the options given below:
A. \([\text{NICI}_4]^{2-}\)
B. \(\text{Ni(CO)}_4\)
C. \([\text{NICN}_4]^{2-}\)
D. \([\text{NI(H))_2\text{O)}_6]^{2+}\)
E. \(\text{Ni(PPh}_3\text{)}_4\)
Choose the correct answer from the options given below:
(1).A, D and E only
(2). A and C only
(3). B and E only
(4). A and D only