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: $27$)
$5$
$8$
$10$
$15$
Presence of $Cr$ in steel makes it
Which of the following element has maximum density
Bell metal is an alloy of
Discuss the catalytic properties of transition elements.
The trivalent ion having largest size in following is