Statement-1: Lithium is the most powerful reducing agent and sodium is the least powerful reducing agent amongst the alkali metals in aqueous solution

Question

Statement-1: Lithium is the most powerful reducing agent and sodium is the least powerful reducing agent amongst the alkali metals in aqueous solution

Statement-1: Lithium is the most powerful reducing agent and sodium is the least powerful reducing agent amongst the alkali metals in aqueous solutions.
Statement-2:Lithium has the highest hydration enthalpy and the sodium the least value.
A. Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1
B. Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1
C. Statement-1 is True, Statement-2 is False.
D. Statement-1 is False, Statement-2 is True.

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
(i)`E^0Li^(+)//Li= - 3.04 , Na^(+)//Na=-2.71` which is least among the alkali metals.
(ii)Hydration enthalpy /`KJ mol^(-1)`
Li= -506 , Na=-406 , Cs has the least `DeltaH_(hyd)=-276`

5 views Answered 2023-02-05 15:29