Which is most reactive metal
$Fe$
$Pt$
$Ni$
$Co$
Which ion is not coloured
The correct order of the first ionization enthalpies is
Spiegeleisen is an alloy of
Explain why $Cu ^{+}$ ion is not stable in aqueous solutions?
Metals generally melt at very high temperature. Amongst the following, the metal with the highest melting point will be $......$