Mark the variety of iron which has highest melting point
Pig iron
Cast iron
Wrought iron
Steel
Discuss the catalytic properties of transition elements.
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]
Copper displaces which of the metal from their salt solutions
Which of the following graph is correct representation between atomic number $(Z)$ and magnetic moment of $d-block$ elements? [Outer electronic configuration : $(n -1)d^x\, ns^{1\, or \,2}$]
A first row transition metal in its $+2$ oxidation state has a spin-only magnetic moment value of $3.86 \mathrm{BM}$ The atomic number of the metal is