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RESONANCE-PERIODIC TABLE & PERIODICITY-Advanced Level Problems
- Which of the following is correct prder of Z(eff):
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- In sodium atom on 3s electron the screening is due to:
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- Which of the following elements can heve negative oxidation states.
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- What is correct order of reducing capacity.
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- Intert pair effect is observed in elements of which block:
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- Which of the following order of radii is correct?
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- The lanthanide contraction refers to:
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- Which of the following statement is correct with respect to the proper...
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- Which group of atoms have nearly same atomic radius.
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- The incorrect order of radius is:
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- The second ionisation enthalpies of elements are always higher than th...
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- A large difference between the third and fourth ionization energies in...
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- The ionization energy will be higher when the electron is removed from...
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- The atomic number of V,Cr, Mn and Fe are respectively 23,24,25 and 26....
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- For which of the following species 2^(nd) IE lt 1^(st) IE
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- With reference to 1^(st) IP which are correct. (a) Li lt C (b) O lt ...
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- Values of 1^(st) four ionisation energies (kJ//mol) of an element are ...
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- Which one of the following statement is correct?
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- For magnitude of eletron gain enthalpy of chalocogens and halogens, wh...
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- The correct order of electron gain enthalpy (most endothermic first an...
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