Which of the following ions would form colourless complexes?
`Cu^(2+), Zn^(2+), Ti^(3+), Ti^(4+), Cd^(2+)`

Predict which of the following will be coloured in aqueous solution? Ti^(3+), V^(3+), Cu^(+), Sc^(3+), Mn^(2+), Fe^(3+) and Co^(2+) . Give reasons for each

Which of the following are true for the complex Ni(CN)_4^(2-) ion (A) Hybridisation of Ni^(2+) ion is dsp^2 (B) Shape of the complex ion is planar square (C) Magnetic moment of the complex is 2.83 BM (D) The complex is an example for a high spin complex

Which of the following statements is not true about the complex ion [CrCl(NO_(2))(en)_(2)]^(+) ?

Which of the following does not react with oxygen directly ? Zn, Ti, Pt, Fe.

Which of the following statement is true about the complex [CrCl_(3)(OH)_(2)(NH_(3))]^(2-) ion?

Which of the following statement is true about the complex [CrCl_(3)(OH)_(2)(NH_(3))]^(-2) ion ?

Which of the following reagents will not be useful in separating a mixture of Zn^(2+) and Cu^(2+)

The emf of the following three galvanic cells are respresented by E_(1), E_(2) and E_(3) respectively. Which of the following is correct? (i) Zn//Zn^(2+) (1M)// //Cu^(2+)(1M)//Cu (ii) Zn//Zn^(2+) (0.1M)// //Cu^(2+)(1M)//Cu (iii) Zn//Zn^(2+)(1M)// //Cu^(2+)(0.1M)//Cu

How many of the following cations belongs to group IIA in qualitative salt analysis Sn^(2+), Hg_(2)^(+2), Pb^(+2), Zn^(2+), Cu^(+2), Cr^(+3), As^(+3), Mg^(+2), Sb^(+3)