1.

An organic compound X on treatment with pyridinium chlorochromate in dichloromethane gives compound Y. Compound Y reacts with I_(2) and alkali to form triiodomethane. Then compound 'X' is

Answer»

`C_(2)H_(5)OH`
`CH_(3)CHO`
`CH_(3)COCH_(3)`
`CH_(3)COOH`

SOLUTION :`underset((X))(C_(2)H_(5)OH+[O])underset( "in "CH_(2)Cl_(2))overset(P"CC")to underset((Y))(CH_(3)CHO)`
`CH_(3)CHO+4NaOH + 3l_(2) to underset("(triiodomethane)")underset("yellow PPT.")(CHI_(3))+ HCOONa+ 3H_(3)O+3NaI`


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