1)

Identify the weakest  oxidising  agent among the following 


A) $Li^{+}$

B) $Na^{+}$

C) $Cdi^{2+}$

D) $l_{2}$

Answer:

Option A

Explanation:

Lithium-ion has small size, it has the highest hydration enthalpy, which compensates its high ionisation energy and therefore, its E° value is most negative. Thus, Li is the most powerful reducing agent in an aqueous solution.