Misch metal an alloy of
$Ln + Cu$
$Ce + Fe$
$Ca$ and $Cu$
$Ln + Ni$
Which of the following is paramagnetic
Amalgams are
The $d-$ block element which is a liquid at room temperature, having high specific heat, less reactivity than hydrogen and its chloride $(MX_2)$ is volatile on heating is
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]
Which of the following has maximum first ionisation energy ?