Embibe Experts Solutions for Chapter: Coordination Compounds, Exercise 3: EXERCISE-II (Previous Year Questions)

Which of the following has longest $\mathrm{C}-\mathrm{O}$ bond length?(Free $\mathrm{C}-\mathrm{O}$ bond length in $\mathrm{CO} \text{is} 1.128$ Å)

An example of a sigma bonded organometallic compound is

Considering ${\mathrm{H}}_2\mathrm{O}$ as a weak field ligand, the number of unpaired electrons in ${\left[\mathrm{Mn}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{2+}$ will be ______.

(At. no. of $\mathrm{Mn}=25$)

Which of the following coordination compounds would exhibit optical isomerism ?

Which of the following facts about the complex$\left[\mathrm{Cr}\right({\mathrm{NH}}_3{)}_6]{\mathrm{Cl}}_3$ is wrong ?

Among the ligands ${\mathrm{NH}}_3, \mathrm{en}, {\mathrm{CN}}^{-}$ and $\mathrm{CO}$, the correct order of their increasing field strength is

Which among the following will be named as dibromidobis (ethylenediamine) chromium (III) bromide?

The octahedral complex of a metal ion ${\mathrm{M}}^{3+}$ with four monodentate ligands ${\mathrm{L}}_1, {\mathrm{L}}_2, {\mathrm{L}}_3$ and ${\mathrm{L}}_4$ absorb wave lengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is :