In a borax bead test under hot condition, a metal salt (one from the given) is heated at point $B$ of the flame, resulted in green colour salt bead. The spin-only magnetic moment value of the salt is ........... $BM$ (Nearest integer)
[Given atomic number of $\mathrm{Cu}=29, \mathrm{Ni}=28$, $\mathrm{Mn}=25, \mathrm{Fe}=26]$
[Given atomic number of $\mathrm{Cu}=29, \mathrm{Ni}=28$, $\mathrm{Mn}=25, \mathrm{Fe}=26]$
- [JEE MAIN 2024]
- A$5$
- B$6$
- C$7$
- D$9$
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