Give the correct order of initials T or F for following statements. Use T if statement is true and F if it is false.

(i) ${\mathrm{Cu}}^{+}$ undergoes disproportionation to $\mathrm{Cu}$ and ${\mathrm{Cu}}^{2+}$in aq. solution.

(ii) ${\mathrm{Hg}}_2{\mathrm{Cl}}_2$ does not, chromyl chloride test.

(iii) ${\left[\mathrm{Fe}{\left({\mathrm{H}}_2\mathrm{O}\right)}_5\mathrm{NO}\right]}^{2+}$ complex is highly unstable due to the presence of weak field ligand 

(iv)  Bond of ${\mathrm{CO}}^{+}$ is greater than CO.