Classification of Elements and Periodicity in Properties questions

826 published questions with worked solutions.

• The first ionisation potential is maximum for
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Among Na^+, Na, Mg and Mg^ 2+ , the largest particle is
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• How does the ionisation energy of 1st group elements vary? [OJEE 2003]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Ionic radii are [UP SEE 2007]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The set representing the correct order of first ionisation energy is [DCE 2005]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The increasing order of first ionisation enthalpies of the elements B, P, S and F (lowest first) is [AIEEE 2006]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The ionic radii (Å) of C^ 4- and O^ 2- respectively are 2.60 and 1.40. The ionic radius of the isoelectronic ion N^ 3- would be
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Consider the ions K^+, S^ 2- , Cl^- and Ca^ 2+ . The radii of these ionic species follow the order [Kerala CEE 2004]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The correct order in which the first ionisation potential increases is [K CET 2008]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Correct increasing order of first ionisation potential is [BCECE 2003]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Following statements regarding the periodic trends of chemical reactivity to the alkali metals and the halogens are given. Which...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• What is the correct decreasing order of ionic radii of following ions? N^ 3- , O^ 2- , F^-, Na^+, Mg^ 2+ [MP PET 2010]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Which is correct about ionisation potential? [MHT-CET 2003]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The successive ionisation energies of an atom show a sudden large jump between IE_4 and IE_5. The number of valence electrons...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• In which one of the following pairs the radius of the second species is greater than that of the first? [Manipal 2010]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The correct order of electron gain enthalpy with negative sign of F, Cl, Br and I, having atomic number 9, 17, 35 and 53...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The correct order of electron affinity is [J & K CET 2005]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The correct order of decreasing first ionisation energy is [RPET 2010]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The element with the lowest ionisation potential is
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The electronic configuration of most electronegative elements is [BCECE 2007]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties

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