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30-05-2016
Chemistry

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Given the balanced equation representing a reaction:Cl2==> Cl + Cl
(1) A bond is broken and energy is absorbed
(2) A bond is broken and energy is released
(3) A bond is formed and energy is absorbed
(4) A bond is formed and energy is released

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06-06-2016

The correct answer is option 1. The balanced reaction represents that a bond is broken and energy is absorbed. Cl2 are held by covalent bonds that are strong. Therefore, energy is required to break these bonds. The energy supplied is absorbed for the reaction to proceed.

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