The increasing order of reactivity among group 1 elements is Li < Na < K < Rb <Cs whereas that among group 17 elements is F > CI > Br > I. Explain.
The factors found in organization 1 have most effective 1 valence electron, which they generally tend to lose. Group 17 factors, on the different hand, want most effective one electron to obtain the noble fueloline configuration. On shifting down organization 1, the ionization enthalpies decrease. This method that the power required to lose the valence electron decreases. Thus, reactivity will increase on transferring down a organization. Thus, the growing order of reactivity amongst institution 1 factors is as follows: Li < Na> Cl > Br > I