Q28 / 160 · TS EAMCET 2023 (13 May Shift 2) · Chemistry

Identify the correct pairs in which the chemical substance given is correctly matched with its use \begin{array}{ll} Chemical substance & use \\ (A) \mathrm{Cl}_2 & Preparation of phosgene \\ (B) \mathrm{I}_2 \mathrm{O}_5 & estimation of \mathrm{CO} \\ (C) \mathrm{O}_3 & disinfectant \end{array}

  • Correct answer
    A
    A,B,C
  • B
    A,B only
  • C
    B,C only
  • D
    A,C only

Solution

$\mathrm{CO}+\mathrm{Cl}_2 \rightarrow \mathrm{COCl}_2$ phosgene $\mathrm{I}_2 \mathrm{O}_5$ is a good oxidizing agent that is used for the estimation of $\mathrm{CO}$. $\mathrm{O}_3$ is used as a disinfectant, bleaching and various other purposes.

Hence, the correct answer is option: 'A'.

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