The first-ionization energies of three alkali metals are given below: Na: 496 kJ…
CHEMISTRY · Subjective · CBSE · Chemistry · Metals and Non-metals · Metals and Non-metals
Problem
The first-ionization energies of three alkali metals are given below:
Na: 496 kJ mol⁻¹
K: 419 kJ mol⁻¹
Rb: 403 kJ mol⁻¹
Determine which of these metals will release hydrogen gas most rapidly when a freshly cut piece is added to dilute HCl(aq).