The d and f-Block Elements questions
808 published questions with worked solutions.
- Which of the following contains cobalt?
- Which ion is colourless :
- General electronic configuration of lanthanides is :
- Lanthanoids are :-
- More number of oxidation states are exhibited by the actinoids than by the lanthonoids. The main reason for this is:-
- In which of the following pairs are both the ions coloured in aqueous solution-
- Which of the following oxidation states is the most common among the lanthanoids?
- Which of the following ions will exhibit colour in aqueous solutions?
- Which of the following lanthanoid ions is diamagnetic ? (At. No. Ce = 58, Sm = 62, Eu = 63, Yb = 70)
- Magnetic moment 2.83 BM is given by which of the following ions? (At. nos. Ti = 22, Cr = 24, Mn = 25, Ni = 28)
- Reason of lanthanoid contraction is
- Magnetic moment 2.84 B.M. is given by :- (At. nos, Ni = 28, Ti = 22, Cr = 24, Co = 27)
- Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii ? (Nubmers in the...
- The reason for greater range of oxidation states in actinoids is attributed to
- Which one of the following ions exhibits d-d transition and paramagnetism as well?
- Which from following is NOT a lanthanoid element
- Which from following lanthanoids exhibits no effective magnetic moment in +3 state?
- Which from following metal ions in their respective oxidation states forms coloured compound?
- Which from following properties of lanthanoids is NOT true?
- Which element from following has half filled 4f orbital at observed ground state?
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