Co-Ordination Compounds Quiz-2

Question 1

Amongst the following, the lowest degree of paramagnetism per mole of the compound at 298 K will be shown by

Accepted Answer

$CuSO_4.5H_2O$

Answer

$MnSO_4.4H_2O$

Answer

$FeSO_4.5H_2O$

Answer

$NiSO_4.6H_2O$

Question 2

Among the following ions, which one has the highest paramagnetism?

Accepted Answer

$[Fe(H_2O)_6]^{2+}$

Answer

$[Cr(H_2O)_6]^{3+}$

Answer

$[Cu(H_2O)_6]^{2+}$

Answer

$[Zn(H_2O)_6]^{2+}$

Question 3

Which of the following is formed when excess of KCN is added to acqueous solution of copper sulphate?

Accepted Answer

$K_3[Cu(CN)_4]$

Answer

$Cu(CN)_2$

Answer

$ K[Cu(CN)_2]$

Answer

$K_2[Cu(CN)_4]$

Question 4

The complex ion which has no d-electrons in the central metal atom is

Accepted Answer

$ [MnO_4]^-$

Answer

$[Co(NH_3)_6]^{3+}$

Answer

$[Fe(CN)_6]^{3-}$

Answer

$[Cr(H_2O)_6]^{3+}$

Question 5

The compound having tetrahedral geometry is

Accepted Answer

$[NiCl_4]^{2-}$

Answer

$[Ni(CN)_4]^{2-}$

Answer

$[Pd(CN)4]^{2-}$

Answer

$[PdCl_4]^{2-}$

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