Reaction of $\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$ with excess ammonia and in the presence of oxygen results into a diamagnetic product. Number of electrons present in $\mathrm{t}_{2 \mathrm{~g}}$-orbitals...

Given below are two statements .
Statement I: In $\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}, \mathrm{Cu}-\mathrm{O}$ bonds are present.
Statement II: In $\mathrm{CuSO}_4 .5 \mathrm{H}_2 \mathrm{O}$,...

Arrange the following coordination compounds in the increasing order of magnetic moments. (Atomic numbers: Mn = 25; Fe = 26)

Amongst $\mathrm{FeCl}_3 .3 \mathrm{H}_2 \mathrm{O}, \mathrm{K}_3\left[\mathrm{Fe}(\mathrm{CN})_6\right]$ and $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right] \mathrm{Cl}_3$, the spin-only magnetic moment value of the inner-orbital complex that absorbs light at shortest wavelength is...

Transition metal complex with highest value of crystal field splitting ( $\Delta_0$ ) will be

Number of complexes which will exhibit synergic bonding amongst, $\left[\mathrm{Cr}(\mathrm{CO})_6\right],\left[\mathrm{Mn}(\mathrm{CO})_5\right]$ and $\left[\mathrm{Mn}_2(\mathrm{CO})_{10}\right]$ is $\_\_\_\_$ .

In the cobalt-carbonyl complex: $\left[\mathrm{Co}_2(\mathrm{CO})_4\right]$, number of Co -Co bonds is " X " and terminal CO ligands is " Y ". $\mathrm{X}+ Y=$ $\_\_\_\_$

The number of statement(s) correct from the following for copper (at no. 29) is/are ______

If the uncertainty in velocity and position of a minute particle in space are, $2.4 \times 10^{-26}\left(\mathrm{~ms}^{-1}\right)$ and $10^{-7}(\mathrm{~m})$ respectively. The mass of the particle...