Addition of non-metals like $B$ and $C$ to the interstitial sites of a transition metal results the metal
of more hardness
of less ductability
less malleable
All of the above
For the ions $Zn ^{2+}, \,Ni ^{2+}$ and $Cr ^{3+}$ which among the following statements is correct ?
(Atomic number of $Zn =30,\,Ni =28$ and $Cr =24$ )
Bell metal is an alloy of
Explain giving reasons:
$(i)$ Transition metals and many of their compounds show paramagnetic behaviour.
$(ii)$ The enthalpies of atomisation of the transition metals are high.
$(iii)$ The transition metals generally form coloured compounds.
$(iv)$ Transition metals and their many compounds act as good catalyst.
Which of the following statement(s) is(are) correct with reference to the ferrous and ferric ions
Mark the variety of iron which has highest melting point