In which of the following case d-d transitions will occur;
(a) `Cu^(+)`
(b) `Zn^(2+)`
(c) `Cu^(2+)`
(d) `Cd^(2+)`

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

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

Which of the following is a representative element? (A) Zn (B) Sr (C) Cu (D) Fe

Write Nernst equation for the following cell reaction : Zn(s) | Zn^(2+)(aq)|| Cu^(2+)(aq) | Cu(s)

Which of the following is colourless in water? (A) \(Ti^{3+}\) (B) \(V^{3+}\) (C) \(Cu^{2+}\) (D) \(Sc^{3+}\)

Which of the following cations to not give borax bead test? A) \(Mg^{2+}\) B) \(Mn^{2+}\), C) \(Cu^{2+}\) D) \(Pb^{2+}\)

The emf of the following three galvanic cells : 1. Zn//Zn^(2+) ( 1M) || Cu^(2+) (1 M) //Cu 2. Zn//ZN^(2+ ) (1 M)|| Cu^(2+) //cu 3. Zn//Zn^(2+) (1 M) || Cu^(2+) (0.1 M) Cu are repersented by E_1, E_2, E_3 which of the following statement is true ?