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  • If the enthalpy of atomisation for  is <img alt="x kJ/mol" src="https://entra

If the enthalpy of atomisation for Br_{2}_{(I)} is x kJ/mol and bond enthalpy for Br_{2} is  y kJ/mol, the relation between them :

 

Option: 1

is x < y


Option: 2

does not exist


Option: 3

is x >y 


Option: 4

is x = y


Answers (1)

best_answer

\begin{array}{l}{\Delta \mathrm{H}_{\text {atomisation }}=\Delta \mathrm{H}_{\mathrm{vap}}+\text { Bond energy }} \\ {\text { Hence } \mathrm{x}>\mathrm{y}}\end{array}

Hence, the option number (3) is correct.

Posted by

shivangi.bhatnagar

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