The d and f-Block Elements questions
808 published questions with worked solutions.
- Which of the following ions has a magnetic moment of 5.93 BM ? (Atomic number of V = 23, Cr = 24, Mn = 25, Fe = 26)
- The 3d-block element that exhibits maximum number of oxidation states is
- Consider the following statements about transition metals. I. These are very much hard and have low volatility. II. Their melting...
- Which of the following is colourless?
- Atomic number of an element is 26. The element shows
- Which of the following species is/are paramagnetic? Zn^0, Hg^ 2+ , Ti^ 4+ , Fe^ 2+
- What is the correct order of spin only magnetic moment (in BM) of Mn^ 2+ , Cr^ 2+ and Ti^ 2+ ?
- Mercury is a liquid metal because
- The one which has incompletely filled d-orbitals in its ground state or in any one of its oxidation state is known as
- Which of the following statements concerning transition element is false?
- Which one of the following transition metal ions is diamagnetic ?
- Which of the following is not a characteristic of transition elements?
- Which of the following pair of transition metal ions, have the same calculated values of magnetic moment ?
- The magnetic nature of elements depend on the presence of unpaired electrons. Which of the following configuration of transition...
- Consider the following statements for transition elements : I. form sets of compounds which display different oxidation states of...
- The atomic size of cerium and promethium is quite close, because
- The lanthanoid contraction relates to
- Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii? (Numbers in the...
- The basicity of lanthanoid hydroxides, across the lanthanoid series
- There are 14 elements in actinoid series. Which of the following elements does not belong to this series?
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