s-Block ElementsHard
Question
The set representing the correct order of first ionisation potential is :
Options
A.K < Na < Li
B.Be > Mg > Ca
C.B > C > N
D.Ge > Si > C
Solution
Down the group size increases and, therefore, attraction between valence shell electron and nucleus decreases and thus ionisation energy decrease.
Along the period the atomic size decreases and nuclear charge increases. So generally the ionization energy increases. However, half-filled and completely filled valence shell electron also affect the ionization energy along the period.
Along the period the atomic size decreases and nuclear charge increases. So generally the ionization energy increases. However, half-filled and completely filled valence shell electron also affect the ionization energy along the period.
Create a free account to view solution
View Solution FreeMore s-Block Elements Questions
A spectrometer gives the following readingwhen used to measure the angle of a prism.Main scale reading : 58.5 degreeVern...Blanc fixe used in paints is :...Match the compounds /metal in (X) with their uses in (Y) : X YA. liquid sodium metal I breathing apparatus in submarineB...NaOH + [Co(NH3)6]Cl3 → products.Select the correct option(s) which describes about the product(s) formed in the re...The pair of amphoteric hydroxides is :...