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AP EAMCET202319 May 2023Morning ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

An oxide of chlorine with water gives the strongest acid. The ratio of chlorine and oxygen in its formula is

Options

  1. A2:1
  2. B1: 2
  3. C2: 7
  4. D1: 3

Correct answer

C. 2: 7

Step-by-step solution

Chlorine heptoxide Cl ₂ O ₇ reacts with water to give perchloric acid HClO ₄ which is the strongest acid. Thus, the ratio of Cl to O is 2: 7 .

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