Classification of Elements and Periodicity in Properties questions

826 published questions with worked solutions.

• The electronic configurations of four elements are given below. Arrange these elements in the correct order of the magnitude...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The atomic number of elements A, B, C and D are Z-1, Z, Z+1, and Z+2, respectively. If 'B' is a noble gas, choose the correct...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Which is the correct order of electronegativity? [UP SEE 2005]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The correct order of ionisation energy of C, N, O, F is [Manipal 2009]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Which is not a scale of measuring electronegativity? [AMU 2003]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The correct order of increasing electron affinity of halogens is [MP PET 2008, J & K CET 2008]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The correct sequence which shows decreasing order of the ionic radii of the elements is [AIEEE 2010]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• A sudden large jump between the value of first and second ionisation energies of elements would be associated with which of the...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Increase in atomic size down the group is due to [BCECE 2008]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The ionic radii of isoelectronic species N^ 3- , O^ 2- and F^- are in the order? [J & K CET 2003]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The highest first ionisation potential is of [BCECE 2004]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The correct order of size of iodine species is [DCE 2007]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Ionisation potential for a noble gas is [BCECE 2006]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• In the Periodic Table metallic character of elements shows one of the following trend [Kerala CEE 2003]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Which one of the following orders presents the correct sequence of the increasing basic nature of the given oxides? [AIEEE 2011]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Pauling's equation for determining the electronegativity of an element, is X_A, X_B = electronegativity values of elements A and...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Pauling's electronegativity values for elements are useful in predicting [UP SEE 2004]
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Which is chemically most active non-metal?
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Which of the following properties show gradual decrease with increase in atomic number across a period in the Periodic Table?...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Diagonal relationship is for
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties

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