3-) Which of these is properly termed a \"quaternary ammonium salt\"? b) (CH:CH2

Question

3-) Which of these is properly termed a "quaternary ammonium salt"? b) (CH:CH2CH(CH3)CH2)2NH2 Ch e) None of these choices. 4-) Which of these compounds is expected to possess the lowest boiling point? a) CH3CH2CH2CH2CH2NH2 b) CH3CH2CH2NHCH2CH3 c) (CH3CH2)2NCH3 d) (CHsCH2)2CHOH 5-) This type of compound is the only one of these which can be converted by reduction into a 1°, 20 or 30 amine, according to the amide structure upon which the reduction is done: a) Nitrile b) Oxime c) Azide d) Amide e) Nitroalkane

Explanation / Answer

3) d is the quatnery ammonium salt as it is in the form of NR4+ where R is the alkyl group.

4) a has lower boiling point as it is primary and it has less bonds to break (alkyl) groups and as compare to alcohols it has less polar C-N bond so easier to break.

5) a as the amide on reduction with reduction gives amines in presence of metal hydrides.

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