Identify the correct pairs in which the chemical substance given is correctly matched with its use.
Chemical substance Use $A. Cl_2$ Preparation of phosgene $B. I_2O_5$ Estimation of $CO$ $C. O_3$ Disinfectant
| Chemical substance | Use |
|---|---|
| $A. Cl_2$ | Preparation of phosgene |
| $B. I_2O_5$ | Estimation of $CO$ |
| $C. O_3$ | Disinfectant |
- A$A, B, C$
- B$A, B$ only
- C$B, C$ only
- D$A, C$ only
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| $v$. Tetrahedral |
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