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Which of the following is less stable th...

Which of the following is less stable thermally-

A

LiF

B

KCl

C

RbF

D

CsF

Text Solution

Verified by Experts

The correct Answer is:
B
Thermal stability of a compound increases with the increasing value of enthalpy of formation. Among the given compounds the value of enthalpy of formation is minimum `(-428 kJ. Mol^(-1))` for KCl. Hence, it has the lowest thermal stability among the given compounds.
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CHHAYA PUBLICATION-s-BLOCK ELEMENTS -SOLVED WBCHSE SCANNER
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