1.

A whiteprecipitate insolublein cone HNO_(3) is formed when aqueous solution of X NaOHtreated with bariumchlorid and bromic water .The X is

Answer»

`SO_(3)`
`SO_(2)`
`CO_(2)`
None of these

Solution :`SO_(2) + 2NAOH rarr Na_(2)SO_(3) +H_(2)O`
`Na_(2)SO_(3) + BaCI_(2) rarr BaSO_(4) + 2NaCI`
`Br_(2) + H_(2)O rarr 2HBr + [O]`
`BaSO_(3)+[O]rarrunderset("Whiteppt.(insoluble in conc."HNO_(3))(BaSO_(4))`


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