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Questions given below are based on the f...

Questions given below are based on the following values of hydration energy and latice energy.
`Li^(+) " " -499 " " Na^(+) " " -390`
`K^(+) " " -305 " " Cl^(-) " " -382`
Lattice energy `DeltaH_(U)` (kJ`mol^(-1)`)
`LiCl " "-840`
`NaCl " " -776`
`KCl " " -703`
Heat of hydration(numerical value ) of LiCl , NaCl and KCl in the increasing order is :

A

LiCl `lt` KCl `lt` NaCl

B

LiCl `lt` NaCl `lt` KCl

C

LiCl = KCl `lt` NaCl

D

KCl `lt` NaCl `lt` LiCl

Text Solution

Verified by Experts

The correct Answer is:
D
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