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Passage-I : Whena gas 'A' is passed through dry KOH at low temperature a deep red coloured compound, B and a gas 'C' are obtained. The gas A, on reaction with but -2-ene, followed by treatment with Zn//H_(2)O yields acetaldehyde. Identify A, B & C. What is A

Answer»

`O_(2)`
`O_(3)`
`SO_(2)`
`CO_(2)`

SOLUTION :`2KOH+underset((A))underset(UARR)(5O_(3))to underset((B))undersetuarr(2KO_(3))+underset((C ))underset(uarr)(5O_(2))+H_(2)O`
`A=O_(3), B=KO_(3), C=O_(2)`


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