Heat evolved in the reaction `H_(2)+Cl_(2) rarr 2HCl` is 182 kJ Bond energies H- H = 430 kJ/mole, `Cl-Cl = 242kJ//"mole"`. The H-Cl bond energy isA. `245KJmol^(-1)`B. `427KJmol^(-1)`C. `336KJmol^(-1)`D. `154KJmol^(-1)`

Heat evolved in the reaction `H_(2)+Cl_(2) rarr 2HCl` is 182 kJ Bond e

1.	Heat evolved in the reaction `H_(2)+Cl_(2) rarr 2HCl` is 182 kJ Bond energies H- H = 430 kJ/mole, `Cl-Cl = 242kJ//"mole"`. The H-Cl bond energy isA. `245KJmol^(-1)`B. `427KJmol^(-1)`C. `336KJmol^(-1)`D. `154KJmol^(-1)`
Answer» Correct Answer - B `DeltaH=-2xxvarepsilon_(H-Cl)+varepsilon_(H-H)+varepsilon_(Cl-C)` `:. 182=-2xxa++430+242` `:. a=245KJmol^(-1)`

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Heat evolved in the reaction `H_(2)+Cl_(2) rarr 2HCl` is 182 kJ Bond energies H- H = 430 kJ/mole, `Cl-Cl = 242kJ//"mole"`. The H-Cl bond energy isA. `245KJmol^(-1)`B. `427KJmol^(-1)`C. `336KJmol^(-1)`D. `154KJmol^(-1)`

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