MCQ
The orbital with maximum energy is
- A$3d$
- B$5p$
- C$4s$
- ✓$6d$
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| column $I$ Metals | column $II$ Coordination compounds |
| $a.$ $Co$ | $i.$ Wilkinson catalyst |
| $b.$ $Zn$ | $ii.$ Chlorophyll |
| $c.$ $Rh$ | $iii.$ Vitamin $B_{12}$ |
| $d.$ $Mg$ | $iv.$ Carbonic anhydrase |
$[Image]$
$\left[ Ph\right.$ is $\left.- C _{6} H _{5}\right]$ is ....