The transition metals have a less tendency to form ions due to
High ionisation energy
Low heat of hydration of ion
High heat of sublimation
All of these
Which of the following statements is not correct about $Cu^{2+}$, and $Cu^+$
Most stable cation in aqueous medium is
Which one of the following ions is colourless
Gun metal is an alloy of
Melting point of $FeCl_3$ and $FeCl_2$ is