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The bond having the highest bond energy:
A.C=C
B.C=S
C.C=O
D.P=N

seo-qna
Last updated date: 19th Jul 2024
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Answer
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Hint: The ability of an atom to draw mutual electrons (or electron density) to itself is known as electronegativity. The electronegativity of an atom is determined by its atomic number as well as the difference between the valence electrons and the charged nucleus. The greater the related electronegativity, the more electrons are attracted to an atom or a substituent group.

Complete answer:
On a very basic level, electronegativity is determined by factors such as nuclear charge (the more protons an atom has, the more "pull" it will have on electrons) and the number and location of other electrons in the atomic shells (the more electrons an atom has, the further away from the nucleus the valence electrons will be, and as a result, the less positive charge they will experience—both because the valence electrons will be further from the nuclei
The amount of energy needed to break apart a mole of molecules into its component atoms is known as bond energy (E). It's a metric on how strong a chemical bond is. Bond enthalpy (H) or simply bond strength are other terms for bond force. The average value of the gas-phase bond-dissociation energy for all bonds of the same form within the same chemical species is described by IUPAC as bond energy.
If the electronegativity of the bonding atom increases, the bond energy increases as well. Less electronegative atoms are more likely to give up their electrons. The degree to which electrons are transferred between molecules or exchanged by bonding atoms is determined by the electronegativity of atoms.
C=O has highest energy
Bond energy increases as the electronegative atom becomes more electronegative.
C=O > P=N>C=C > C=S
Hence option C is correct.

Note:
If the electronegativity of the bonding atom increases, the bond energy increases as well. Less electronegative atoms are more likely to give up their electrons. The degree to which electrons are transferred between molecules or exchanged by bonding atoms is determined by the electronegativity of atoms.