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\(\mathrm{^{19}F}\)-NMR shows __________ signals for \(\mathrm{ClF_3}\)

Question and options

19F\mathrm{^{19}F}-NMR shows __________ signals for ClF3\mathrm{ClF_3}
  1. 1
  2. 2
  3. 3
  4. 4

Answer and explanation

Correct answer: B - 2
ClF3\mathrm{ClF_3} is T-shaped with two axial F and one equatorial F, which are chemically different, so the 19F\mathrm{^{19}F} NMR shows 2 signals (a doublet and a triplet at low temperature).

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