Which set has the same number of s-electrons?
(a) `C, Cu^(+2),Zn`
(b) `Cu^(+2), Fe^(+2), Ni^(+2)`
(c)`S^(2-), Ni^(+2),Zn`
(d) None of these

Which have the same number of s-electrons as the d-electrons in Fe^(2+) ?

The correct order of the number of unpaired electrons in the ions Cu^(2+), Ni^(2+), Fe^(3+) , and Cr^(3+) is

Write the electronic configuration of the following and report the number of unpaired electron in each a. Mn^(2+) b. Cr^(2+) c Fe^(2+) d. Ni^(2+) e. CI^(2+) f. Zn^(2+) g. Fe^(2+) h Na i. Mg .j Cr(3+)

Write doen the number of 3d electrons in each of the following ions: Ti^(2+),V^(2+),Cr^(3+),Mn^(2+),Fe^(2+),Fe^(2+),Co^(2+),Ni^(2+) and Cu^(2+) indicate how would you expect the five 3d orbitals to be occupied for these hydrated ions (octahedral).

Find the number of electrons transferred in the equation Cu(g) + 2Ag^+(aq) → Cu^(2+)(aq) + 2Ag(s) .

What are the coordination number of Zn^(2+) and S^(2-) ions in ZnS?

Which one of the following transition metal ions is diamagnetic? Co^(2+) , Ni^(2+) , Cu^(2+) , Zn^(2+)

The paramagnetic species among the following is- Na^(+), Zn^(2+), Cu^(+), Fe^(3+)

Determine total number of unpaired electrons in following ions Ti^(3+),V^(3+),Cr^(3+),Mn^(3+),Mn^(2+),Fe^(3+),Fe^(2+),Co^(2+),Ni^(2+),Cu^(2+) .

Fe can displace which of the following ions from their aqueous solutions? (a) Na^(+) (b) Zn^(2+) (c) Cu^(2+) (d) Ag^(+)