Which of the following statements is incorrect?

CHEMISTRY · Single correct · A Level · Chemistry · Transition metals and their chemistry · Transition metals and their chemistry

Problem

Which of the following statements is incorrect? (1) Mercurous ion exists as

\text{Hg}^+

(2) Mercurous ion is diamagnetic and exists as dimer

\text{Hg}_2^{2+}

(3) Mercurous ion is colourless (4) There is a metallic bond between two

\text{Hg}^+

ions