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The bond enthalpy of ___________ molecule is 435.8 kJ mol^-1.

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in Chemistry – Class 11 by (148k points)
The bond enthalpy of ___________  molecule is 435.8 kJ mol^-1.

(a) Hydrogen

(b) Oxygen

(c) Nitrogen

(d) Helium

This question was addressed to me by my college professor while I was bunking the class.

This question is from Valence Bond Theory in section Chemical Bonding and Molecular Structure of Chemistry – Class 11

1 Answer

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Correct option is (a) Hydrogen

Easy explanation: The amount of energy that is required to break a chemical bond in a molecule into individual atoms is known as bond enthalpy. 435.8 kJ mol^-1 is required to dissociate a hydrogen molecule into two hydrogen atoms.

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