MCQ
The total magnetic quantum numbers for $d$-orbital is given by
- A$2$
- B$0$,$ \pm 1$,$ \pm 2$
- C$0, 1, 2$
- ✓$5$
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Assertion : For hydrogenation reactions, the catalytic activity increases from Group $5$ to Group $11$ metals with maximum activity shown by Group $7-9$ elements.
Reason : The reactants are most strongly adsorbed on group $7-9 $ elements.
$(1) \,LAH (LiAlH_4)$ $(2) \,OsO_4$
$(3)\, NaIO_4$ $(4)\, NaBH_4$