Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Calculate 
for chloride ion from the following data:
of 
Text Solution
Verified by ExpertsThe correct answer is:
A
-167.2kJ
Given,
.... (i)
.. . (ii)
HC1 (g) + nH 2 O (1) 
H + (aq) + Cl - (aq) ; 
H° = - 74.8 kJ ... (iii)
HC1 (g) + nH 2 O (1) 
H + (aq) + Cl - (aq) ; 
H° = - 74.8 kJ. . . (iii)
(ii) + (iii) - (i)
.... (iv)
Heat of formation for Cl - (aq) = -167.2 kJ
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