Thermochemistry Past Year (2016 - 2018) MCQs Thermodynamics Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

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The bond dissociation energies of $X_{2}, Y_{2}$ and XY are in the ratio of 1 : 0.5 : 1. ∆H for the formation of XY is –200 kJ mol^–1. The bond dissociation energy of X₂ will be

1. 200 kJ mol^–1
2. 100 kJ mol^–1
3. 800 kJ mol^–1
4. 400 kJ mol^–1

Subtopic: Thermochemistry |

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