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Trend in Ionisation Enthalpy

Bond formatio...

Question

Bond formation is always exothermic.

A

True

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B

False

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Solution

The correct option is A True
The given statement is true.
Bond formation is always exothermic. Energy is released in an exothermic process. Bonded atoms posses lower energy than isolated atoms. Energy is released during formation of bond.
For example, when $H - H$ bond is formed, $436 k J$ of energy is released.

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