The bond energies of Cl-Cl, C-C and C-H are 59 Kcal/mole, 90 Kcal/mole and 105 Kcal/mole respectively. Considering the reaction of ethane with Cl2, which of the following statements are correct?

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Chapter4: Stoichiometry
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The bond energies of Cl-Cl, C-C and C-H are 59 Kcal/mole, 90 Kcal/mole and 105 Kcal/mole respectively. Considering the reaction of ethane with Cl2, which of the following statements are correct?

 

options:

 

A. When heat is the source of energy, Cl-Cl bond is the easiest to break

 

B. When light is the source of energy, Cl-Cl absorbs visible light, but ethane      does not

 

C. If heat is the source of energy, the C-H bonds breaks easily compared to      other bonds involved in the reaction

 

D. If heat is the source of energy, C-C bonds breaks easily compared to              other bonds involved in the reaction

 

Both A & B

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