MCQ
The elements with atomic numbers $101$ and $104$ belong to, respectively
- AGroup $11$ and Group $4$
- ✓Actinoids and Group $4$
- CActinoids and Group $6$
- DGroup $6$ and Actinoids
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|
List-$I$ (Complexion) |
List-$II$ (Spin only magnetic moment in B.M.) |
| $A$ ${\left[\mathrm{Cr}\left(\mathrm{NH}_5\right)_0\right]^{3+}}$ | $I$ $4.90$ |
| $B$ ${\left[\mathrm{NiCl}_4\right]^{2-}}$ | $II$ $3.87$ |
| $C$ ${\left[\mathrm{CoF}_6\right]^{3-}}$ | $III$ $0.0$ |
| $D$ ${\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}}$ | $IV$ $2.83$ |
Choose the correct answer from the options given below:
$X \left| X ^{2+}(0.001 M ) \| Y ^{2+}(0.01 M )\right| Y$
is $.......\times 10^{-2} V$ (Nearest integer).
Given: $E _{ x ^{2+} \mid x }^0=-2.36\,V$
$E _{ Y ^{3+} \mid Y }^0=+0.36\,V$
$\frac{2.303\,RT }{ F }=0.06\,V$