1.

which alkali metal is the strongest reducing agent

Answer»

Alkali metals are good reducing agents. This is because of their tendency to lose electrons.

In a group from top to bottom reducing nature increases. Since ionization energies decreases on moving dowm from Li to Cs the reducing property increases. Hence, Li is the weakest reducing agent among the alkali metals in free state.

Whereas Li acts as strongest reducing agent in solution.Thus, in solution the reducing nature decreases from Li to Na and then increases to Cs.

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