Which a statement about exothermic and endothermic reactions is correct?

A In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

B In an endothermic reactions, energy is released when bound from but more energy is used to break bonds.

C In an exothermic reactions, energy is released both by breaking and by forming bonds.

D In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

Solution

Correct Answer: Option B

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