1.

An opticalinactiveamine(A) C_(4) H_(11) Non treatmentwithHNO_(2) giveanalcohol(B ) , TheCompound (B )on heatingwithconc. H_(2) SO_(4) at 453 Kgive an alkene( C ) . The Contreatmentwith HBrgive anopticalactivecompound(D )havingmolecularformula C_(4) H_(9) Br. Identify (A )

Answer»

`CH_(3) CH_(2) CH(NH_(2) ) CH_(3)`
`CH_(3) CH_(2) CH_(2) CH_(2) NH_(2)`
`CH_(2) NHCH_(2) CH_(2) CH_(3)`
`C_(2) H_(5) NHC_(2) H_(5)`

Solution :PRIMARY aminegivesanalcoholwhentreatedwith `HNO_(2)` Sincethe alcoholformedis normalthe primaryaminealsomust benormaland thecompound
( D)must be `CH_(3) CH_(2) CHCH_(3)`
`( C )" mustbe" CH_(3) CH_(2) CH= CH_(2)`
( b)must be `CH_(3) CH_(2)CH_(2) CH_(2) OH`


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