MCQ
Caro's acid is
  • A
    ${H_2}S{O_3}$
  • B
    ${H_3}{S_2}{O_5}$
  • ${H_2}S{O_5}$
  • D
    ${H_2}{S_2}{O_8}$

Answer

Correct option: C.
${H_2}S{O_5}$
c
(c) Caro’s acid is ${H_2}S{O_5}$

$H - O\mathop { - \mathop S\limits_{\,||}^{\,||} - }\limits_{\,O}^{\,\,O} O - O - H$

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