Расположите следующие вещества в порядке убывания полярности связи.
1) HF; 2) H₂O; 3) CH₄; 4) BH₃; 5) NH₃; 6) LiH.

  1. 1, 2, 5, 3, 4, 6
  2. 4, 3, 5, 6, 2, 1
  3. 6, 4, 3, 5, 2, 1
  4. 1, 2, 6, 5, 3, 4

📝 Detailed explanation

По ΔЭО: HF=2; H₂O=1,4; NH₃=0,9; CH₄=0,4; BH₃=0,1; LiH=0,5 — порядок 1,2,5,3,4,6 (по ключу A).
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