Misch metal an alloy of
Misch metal an alloy of
- A
$Ln + Cu$
- B
$Ce + Fe$
- C
$Ca$ and $Cu$
- D
$Ln + Ni$
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The spin-only magnetic moment value of $M ^{3+}$ ion (in gaseous state) from the pairs $Cr ^{3+} / Cr ^{2+}$, $Mn ^{3+} / Mn ^{2}, Fe ^{3+} / Fe ^{2+}$ and $Co ^{3+} / Co ^{2+}$ that has negative standard electrode potential, is $B.M...........$ [Nearest integer]
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- [JEE MAIN 2022]
Which of the following has maximum first ionisation energy ?
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