Q. The reducing power of a metal depends on various factors . Suggest the factor which makes Li , the strongest reducing agent in aqueous solution .

A
Ionisation enthalpy
B
Sublimation enthalpy
C
Electron-gain enthalpy
D
Hydration enthalpy
Solution:

A reducing agent is an element or compound that loses an electron to an electron recipient in a redox chemical reaction

  • The greater reducing character of Li than Na is due to its greater hydration energy .
  • Lithium being small in size has high ionization energy.
  • The reducing character increases from Na to Cs .
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