Chemistry-
General
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Question

HeatevolvedinthereactionH2+Cl2 →2HClis 182KJ.BondenergiesofHH anCl–Clare430 and242KJ/morespectively.ThHCbond energy is-

  1. 245KJmol1    
  2. 427KJmol1    
  3. 336KJmol1    
  4. 154KJmol1    

The correct answer is: 427KJmol1

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