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
- A2:1
- B1: 2
- C2: 7
- 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 .