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Why is beryllium(Hydration Enthalpy= -2494 KJ/mol) a weaker reducing agent than lithium(Hydration Enthalpy= -506 KJ/mol) even though it has a higher negative value of hydration enthalpy? Please Explain

Why is beryllium(Hydration Enthalpy= -2494 KJ/mol) a weaker reducing agent than lithium(Hydration Enthalpy= -506 KJ/mol) even though it has a higher negative value of hydration enthalpy? Please Explain

Grade:12

1 Answers

Pranav Aggarwal
15 Points
3 years ago
Be is weaker reducing agent than lithium because 
Reducing agents are those compounds that loose electrons and thus help in any other compund to gain those electrons and get reduced thus after loosing one electron Li attains noble gas configuration(1S2 ) whereas Be will have to break its Pseudo noble gas configuration 
 
Li- 1S2  2S1
Be-1S2 2S2
 

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