7 JEE Main 2013 Classification of Elements and Periodicity in Properties previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2013 previous-year questions from the Classification of Elements and Periodicity in Properties chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Classification of Elements and Periodicity in Properties chapter hub.
Electron gain enthalpy with negative sign of fluorine is less than that of chlorine due to :
Which is the correct order of second ionization potential of C, N, O and F in the following ?
The catenation tendency of C, Si and Ge is in the order Ge < Si < C. The bond energies (in kJ ~mol⁻¹ ) of C-C, Si-Si an…
The first ionisation potential of Na is 5.1 eV. The value of electron gain enthalpy of Na + will be :
Which one of the following cannot function as an oxidising agent?
The order of increasing sizes of atomic radii among the elements O, S, Se and As is :
Which of the following represents the correct order of increasing first ionization enthalpy for Ca ,   Ba ,  …