1.

Find out product Din the followingsequence of reaction .CH_(3) - CH_(2) - COOH + Na to A overset(Br_(r)//Red. P.)to B overset(NANO_(2))to C overset(H_(2)O)toD

Answer»

`CH_(3) - CH_(2) - NO_(2)`
`CH_(3)- CH_(2) - CH_(2) - NO_(2)`
`CH_(3) - OVERSET(NO_(2))overset(|)(CH)- CH_(3)`
`CH_(3) - CH_(2) - CH_(2)- NO_(2)`

Solution :`CH_(3) - CH_(2) - COOH + 2Na toCH_(3) - CH_(2) -COONa + H_(2)`
`CH_(3) - CH_(2) - COONa + Br_(2) overset("Red P") toCH_(3)- UNDERSET(Br)underset(|)(CH) - COONa + HBr`
`CH_(3) - underset(Br) underset(|)(CH) - COONa + NaNO_(2) toCH_(3) - underset(NO_(2))underset(|)(CH) - COONa`
`CH_(3) - underset(NO_(2))underset(|)(CH_(2)) - COONa + H_(2) OtoCH_(3) - CH_(2)- NO_(2)+ NaHCO_(3)`


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