Определите соотношение числа одинарных и двойных связей в молекуле серной кислоты.

  1. 2:1
  2. 1:1
  3. 3:4
  4. 4:1

📝 Detailed explanation

В H₂SO₄ одинарных связей — 4 (2 O–H и 2 S–O), двойных — 2 (S=O), соотношение 4:2 = 2:1.
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