In a borax bead test under.... | JEE Main 2024

JEE MAIN 2024

05-04-24 S1

Question

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 Cu=29,Ni=28, Mn=25,Fe=26]

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Solution

$\mathrm{Fe}^{+3}$ will give green coloured bead when heated at point B . Number of unpaired $\mathrm{e}^{-}$in $\mathrm{Fe}^{+3}=5$ $$ \mu=5.92 $$ Nearest integer $=6$

Question Tags

JEE Main

Chemistry

Medium

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