Ethanamine to methanamine...

Ethanamine to methanamine

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`underset("(Methana mine)")(CH_(3)NH_(2))overset(HNO_(2))underset(H_(2)O)rarr CH_(3)OH overset(PI_(3))rarr CH_(3)I overset(KCN)rarr CH_(3)CN overset(LiAlH_(4))rarr underset("Ethana mine")(CH_(3)CH_(2)NH_(2))`

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Ethanamine can be obtained from methyl iodide by the action of alc. KCN followed by

Hydrolysis

Oxidation

Reduction

Action of `NH_3//"heat" `

Among isomeric amines possible for molecular formula C_(3)H_(9)N , correct order of basic strength is given by I) propanamine-1 II) N-methyl ethanamine III) N,N-dimethyl methanamine

`III gt I gt II`

`I gt II gt III`

`II gt III gt I`

`II gt I gt IV`

Among isomeric amines possible for molecular formula C_(3)H_(9)N , correct order of basic strength is given by I) propanamine-1 II) N-methyl ethanamine III) N,N-dimethyl methanamine IV) N-methyl propanamine-1

III gt I gt II

IV gt III gt I gt II

II gt I gt III

II gt III gt I gt IV