1.

A nitrogenous substance X is treated with HNO_(2) and the product so formed is further treated with NaOH solution, which produces blue colouration. Which of the following can X be ?

Answer»

`CH_(3)CH_(2)NH_(2)`
`CH_(3)CH_(2)NO_(2)`
`CH_(3)CH_(2)ONO`
`CH_(3)UNDERSET(CH_(3))underset(|)(CH)NO_(2)`

Solution :`{:(""CH_(3)""CH_(3)),("|""|"),(H_(3)C-CH-NO_(2) underset(-H_(2)O)overset(HO-N=O)(rarr) H_(3)C-C-NO_(2)),(" "2^(@)" Nitroalkane""|"),(""X""N=O),("Pseudonitrole"),(""darr NAOH),("Blue COLOURATION"):}`


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