Home › CBSE Class 11 (Science) › Chemistry › Chemical Bonding and Molecular Structure › Among N2, O2, H2 and HCl, which has the largest …
Among N2, O2, H2 and HCl, which has the largest bond enthalpy?
AN2
BO2
CH2
DHCl
Answer & Solution
Correct answer: A. N2
The N≡N triple bond needs 946 kJ/mol to break, far more than O2 (498), H2 (435.8) or HCl (431).
Related questions
Which compound shows intramolecular hydrogen bonding?Which set of atoms can form hydrogen bonds with hydrogen?A substance with all electrons paired in molecular orbitals isWhich of these diatomic molecules is paramagnetic?Six atomic orbitals combine. How many molecular orbitals form?An antibonding molecular orbital has a nodal planeA bonding molecular orbital has energy that is ___ the combining atomic orbitals.Ethene contains how many sigma bonds in total?