Element Hg has two oxidation states `Hg^(+)` & `Hg^(+2)` the right order of radii of these ions is :

Element Cu has two oxidation states Cu^(+1) & Cu^(+2) the right order of radii of these ions.

Element Cu has two oxidation states Cu^(+1) & Cu^(+2) the right order of radii of these ions.

HgS is

Complete and balance the followig equations in basic solution : Hg_2(CN)_2+Ce^(4+)toCO_3^(2-)+NO_3^(ɵ)+Hg(OH)_2+Ce^(3+) (a) By considering C in +4 oxidation state and N in +5 oxidation state. (b) By considering C in +4 oxidation state and N in +5 oxidation state (c) By considering Hg in +2 and C in +4 oxidation state. (d) Explain why the same result is obtained regardless of the choice of oxidation state.

Complete and balance the followig equations in basic solution : Hg_2(CN)_2+Ce^(4+)toCO_3^(2-)+NO_3^(ɵ)+Hg(OH)_2+Ce^(3+) (a) By considering C in +4 oxidation state and N in +5 oxidation state. (b) By considering C in +4 oxidation state and N in +5 oxidation state (c) By considering Hg in +2 and C in +4 oxidation state. (d) Explain why the same result is obtained regardless of the choice of oxidation state.

A transition element is defined as one which has incompletely filled d - orbitals in its ground state or in any one of its oxidation states Why are Zn Cd and Hg not regarded as transition metals?

In the reaction, 2HgOrarr2Hg+O_(2),Hg^(2+) act as

Why Zn, Cd and Hg are not transition elements ?