If the bond dissociation energies of XY, X 2, Y2 (all diatomic molecules) are in the ratio 1:1:0.5, respectively and ∆fH of XY is -200KJmol-1, the bond dissociation energy of X2 will be:

Question

Think Extraordinary · Accepted Answer

Correct Answer: Option A. 400 KJmol -1. Explanation: Official CCS HAU key confirmed as option A. Aligned with NCERT Chemistry Class 11-12 standards.

Answer

Option B: 300 KJmol -1

Answer

Option C: 200 KJmol -1

Answer

Option D: 100 KJmol -1

Physical, Organic & Inorganic Chemistry (HAU PYQ)

If the bond dissociation energies of XY, X 2, Y2 (all diatomic molecules) are in the ratio 1:1:0.5, respectively and ∆fH of XY is -200KJmol-1, the bond dissociation energy of X2 will be: