Physics · Chemical Kinetics
For the reaction K + Br2 → KBr + Br, which follows the harpoon mechanism, the reactive cross-section is closest to:
(Use e24πε0 = 2.3 × 10−28 J m, Ionization energy of K = 422.5 kJ mol−1, electron affinity of Br2 = 250 kJ mol−1 and NA = 6 × 1023 mol−1)
(Use e24πε0 = 2.3 × 10−28 J m, Ionization energy of K = 422.5 kJ mol−1, electron affinity of Br2 = 250 kJ mol−1 and NA = 6 × 1023 mol−1)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 116 × 10 −18 m 2
- 264 × 10 −18 m 2
- 32 × 10 −18 m 2✓
- 450 × 10 −18 m 2
Correct answer
2 × 10 −18 m 2
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