Question:
Which of the following complex ions is not optically active?
Which of the following complex ions is not optically active?
Show Hint
When dealing with optical activity, remember that symmetry leads to optical inactivity, as in the case of \(\text{trans}\)-complexes.
Updated On: Jun 25, 2025
- \([ \text{Co}(ox)_3 ]^{3-}\)
- \(\text{cis}-[\text{Co}(en)_2\text{Cl}_2]^+\)
- \(\text{trans}-[\text{Co}(en)_2\text{Cl}_2]^+\)
- \([ \text{Co}(en)_3 ]^{3+}\)
Hide Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Optical activity in a coordination compound arises when the compound is non-superimposable on its mirror image, i.e., it lacks symmetry. The \(\text{cis}-[\text{Co}(en)_2\text{Cl}_2]^+\) complex is optically active because of its asymmetric structure. However, the \(\text{trans}-[\text{Co}(en)_2\text{Cl}_2]^+\) complex is optically inactive because of its symmetry (the opposite chloride ions are opposite each other, making it symmetrical). Therefore, the correct answer is (C).
Was this answer helpful?
0
0
Top Questions on Coordination chemistry
- Explain that \([Co(NH_3)_5Cl]SO_4\) and \([Co(NH_3)_5SO_4]Cl\) are of which type of isomers.
- UP Board XII - 2025
- Chemistry
- Coordination chemistry
The metal ions that have the calculated spin only magnetic moment value of 4.9 B.M. are
A. $ Cr^{2+} $
B. $ Fe^{2+} $
C. $ Fe^{3+} $
D. $ Co^{2+} $
E. $ Mn^{2+} $
Choose the correct answer from the options given below- JEE Main - 2025
- Chemistry
- Coordination chemistry
- Which of the following are paramagnetic?
A. [NiCl$_4$]$^{2-}$
B. Ni(CO)$_4$
C. [Ni(CN)$_4$]$^{2-}$
D. [Ni(H$_2$O)$_6$]$^{2+}$
E. Ni(PPh$_3$)$_4$
Choose the correct answer from the options given below:- NEET (UG) - 2025
- Chemistry
- Coordination chemistry
- Which of the following is a characteristic of a coordination compound?
- VITEEE - 2025
- Chemistry
- Coordination chemistry
- The complex of Ni\(^{2+}\) ion and dimethyl glyoxime contains ____ number of Hydrogen (H) atoms.
- JEE Main - 2025
- Chemistry
- Coordination chemistry
View More Questions
Questions Asked in CBSE CLASS XII exam
- You are required to design an air-filled solenoid of inductance 0.016 H having a length 0.81 m and radius 0.02 m. The number of turns in the solenoid should be:
- CBSE CLASS XII - 2025
- Electromagnetic induction
- Determine those values of $x$ for which $f(x) = \frac{2}{x} - 5$, $x \ne 0$ is increasing or decreasing.
- CBSE CLASS XII - 2025
- Functions
- In a Young’s double-slit experiment, two light waves, each of intensity \( I_0 \), interfere at a point, having a path difference \( \frac{\lambda}{8} \) on the screen. Find the intensity at this point.
- CBSE CLASS XII - 2025
- Interference Of Light Waves And Young’S Experiment
- Using matrices and determinants, find the value(s) of $k$ for which the pair of equations \[ 5x - ky = 2; \quad 7x - 5y = 3 \] has a unique solution.
- An electron in Bohr model of hydrogen atom makes a transition from energy level \(-1.51 \, \text{eV}\) to \(-3.40 \, \text{eV}\). Calculate the change in the radius of its orbit. The radius of orbit of electron in its ground state is \(0.53 \, \text{\AA}\).
- CBSE CLASS XII - 2025
- Atomic Physics
View More Questions