Start learning →

What is bond dissociation enthalpy?

AEnergy released forming a mole of bonds
BEnergy to ionise one mole of atoms
CEnthalpy to break a mole of gaseous bonds
DEnergy to melt a covalent solid
Answer & Solution
Correct answer: C. Enthalpy to break a mole of gaseous bonds
It is the enthalpy needed to break one mole of covalent bonds of a gaseous compound into gas-phase products.
Practise this question with Quill — CBSE Class 11 (Science) →

Keep practising Thermodynamics

Browse all Thermodynamics questions for CBSE Class 11 (Science), or explore more Chemistry topics.

Start a Thermodynamics lesson →
Related questions