Classification of Elements and Periodicity in Properties questions

826 published questions with worked solutions.

• The statement that is true for the long form of the Periodic Table is
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The Ist IEs of four consecutive elements present in the second period of the Periodic Table are 8.3, 11.3, 14.5 and 13.6 eV...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Statement 1: Manganese has a less favourable electron affinity than its neighbours on either side. Statement 2: The magnitude of...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• A A^+ + e^-, E_1 and A^+ A^ 2+ + e^-, E_2. The energies required to pull out the two electrons are E_1 and E_2 respectively. The...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Ist and IInd IE of Mg are 7.646 and 15.035 eV respectively. The amount of energy (in units of 10^3 kJ/mol) needed to convert all...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Statement 1: The electron attachment enthalpy of fluorine is more negative than that of chlorine. Statement 2: All alkaline earth...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Which of the following does not represent the correct order of the property indicated?
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Statement 1: Shielding effect increases as we go down the group. Statement 2: The more electrons there are in the penultimate...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Statement 1: Ionisation energy of nitrogen (atomic number 7) is more than that of oxygen (atomic number 8). Statement 2:...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The radii of F, F⁻, O and O²⁻ are in the order of
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• In the Periodic Table, going down the fluorine group
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The first four ionisation energy values of an element are 191, 578, 872 and 5962 kcal. The number of valence electrons in the...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The ionic radius of 'Cr' is minimum in which of the following compounds?
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The elements X, Y, Z and T have the indicated electronic configurations. Starting with the innermost shell, which is the most...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Which of the following sequences correctly represents the decreasing acidic nature of oxides?
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Statement 1: In any period, the radius of the noble gas is the lowest. Statement 2: He has the highest ionisation energy in the...
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Which ionisation potential (IP) in the following equations involves the greatest amount of energy?
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• The correct order of ionic radius is
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• In the formula Electronegativity = (IP)+(EA) N , the value of N is ______
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties
• Maximum electron affinity is shown by the species at serial number: (1) O (2) F (3) Cl^- (4) He (5) N
  JEE Main · Chemistry · Classification of Elements and Periodicity in Properties

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