The bond dissociation energy is highest forCl2I2Br2F2
Question
The bond dissociation energy is highest forCl2I2Br2F2
Solution
The bond dissociation energy is highest for F2. This is because Fluorine (F) is the most electronegative element, and it forms very strong bonds with itself, resulting in a high bond dissociation energy. This means it requires a lot of energy to break the bond between two Fluorine atoms.
Here's a step-by-step explanation:
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The bond dissociation energy is the energy required to break a bond between two atoms.
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The strength of a bond (and thus, the bond dissociation energy) is determined by several factors, including the size of the atoms and their electronegativity.
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Electronegativity is a measure of how strongly an atom can attract a bonding pair of electrons. The most electronegative element is Fluorine.
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When two Fluorine atoms form a bond, they share a pair of electrons very strongly, resulting in a very strong bond.
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Therefore, it requires a lot of energy to break this bond, meaning that the bond dissociation energy is high.
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Compared to Fluorine, Chlorine (Cl), Bromine (Br), and Iodine (I) are less electronegative, so they form weaker bonds with themselves and have lower bond dissociation energies.
So, out of Cl2, I2, Br2, and F2, the bond dissociation energy is highest for F2.
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