1.

Amongst the given set of reactants, the most appropriate for preparing 2_(@) amine is:

Answer»

`2^(@)R-Br+NH_(3)`
`2^(@)R-Br +NaCN` followed by `H_(2)//Pt`
`1^(@)R-NH_(2)+RCHO` followed by `H_(2)//Pt`
`1^(@)R-Br" (2 mol)" +"potassium phthalimide followed by "H_(3)O^(+)//"HEAT"`

Solution :`RNH_(2)+RCHOoverset("Reductive")underset("amination")RARR(R-N=NHR)OVERSET(H_(2)//Pt)rarr underset(2^(@)-" Amine")(R-NHCH_(2)R)`


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