The d and f-Block Elements questions
808 published questions with worked solutions.
- Which is not the correct Statement? (At. nos. Ce = 58, Lu = 71, La = 57, Yb = 70 )
- Magnetic moment of Gd^ 3+ ion (Z = 64) is
- Which of the following paramagnetic ions would exhibit a magnetic moment (spin only) of the order of 5BM ? (At. Nos. Mn = 25, Cr...
- The number of unpaired electrons in Gadolinium [Z = 64] is
- Match List I with List II : List I (Transition metal/compound/complex) A. V_2O_5 B. Fe C. PdCl_2 D. Ni complex List II (Catalytic...
- Although +3 oxidation state is most common in lanthanoids, cerium still shows +4 oxidation state because:
- The calculated 'spin-only' magnetic moment Ti^ 2+ (3d^2) is :
- Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Generally, 3d...
- The lanthanide ion having four unpaired electrons is (Given : Atomic numbers of Ce = 58, Nd = 60, Tb = 65 and Ho = 67)
- The number of unpaired electrons in the Fe ^ 3+ ion is
- Which of the following has the maximum number of unpaired 'd' electrons?
- Atom containing an odd number of electrons is:
- The first atom with an incomplete d-shell is:
- Which has the highest number of unpaired electrons?
- Which of the following has the greater number of unpaired electrons?
- Which of the following ions will show colour in aqueous solution?
- The number of d-electrons retained in the Fe^ 2+ ion is:
- Which ion has the maximum magnetic moment?
- An ion Mn^ a+ has a magnetic moment equal to 4.9 B.M. The value of a is:
- Which has minimum number of unpaired d-electrons?
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