Manganese steel is used for making railway tracks because
it is hard with high percentage of $Mn$
it is soft with high percentage of $Mn$
it is hard with small concentration of manganese with impurities
it is soft with small concentration of manganese with impurities
Which of the following weighs less when weighed in magnetic field
Which does not form amalgam
Write a note on oxides and oxoanions of transition elements.
Mercury is a liquid at $0\,^o C$ because of
The spin only magnetic moment value of the ion among $\mathrm{Ti}^{2+}, \mathrm{V}^{2+}, \mathrm{Co}^{3+}$ and $\mathrm{Cr}^{2+}$, that acts as strong oxidising agent in aqueous solution is .......... BM (Near integer).
(Given atomic numbers: $\mathrm{Ti}: 22, \mathrm{~V}: 23, \mathrm{Cr}: 24$, Co: $27$)