MCQ
Correct statement for $3d-$ series is
- A$Sc$ shows stable $+ 3$ oxidation state
- B$Zn$ has maximum $I.E.$
- CMetallic radius of $Mn > Fe$
- ✓All are correct
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$[Co(en)_3]\,[Cr(C_2O_4)_3]$
$[Cu(NH_3)_4]\, [CuCl_4]$
$[Ni(en)_3]\,[Co(NO_2)_6]$
| Column $I$ | Column $II$ |
| $(A)$ Orbital angular momentum of the electron in a hydrogen-like atomic orbital | $(p)$ Principal quantum number |
| $(B)$ A hydrogen-like one-electron wave function obeying Pauli principle | $(q)$ Azimuthal quantum number |
| $(C)$ Shape, size and orientation of hydrogen-like atomic orbitals | $(r)$ Magnetic quantum number |
| $(D)$ Probability density of electron at the nucleus in hydrogen-like atom | $(s)$ Electron spin quantum number |