A) \[{{O}_{2}}\]
B) \[S{{O}_{2}}\]
C) \[C{{l}_{2}}\]
D) \[{{O}_{3}}\]
Correct Answer: D
Solution :
Ozone has a fishy odour and blue colour. It bleaches the articles in dry conditions and restores the colour of blackened lead paintings. The black colour is due to PbS which reacts with\[{{O}_{3}}\]to give white\[PbS{{O}_{4}}\]. \[PbS+4{{O}_{3}}\xrightarrow[{}]{{}}PbS{{O}_{4}}+4{{O}_{2}}\]
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