Which of the following compounds on being heated with a primary amine – InterviewSolution

InterviewSolution

1.	Which of the following compounds on being heated with a primary amine and alcoholic `KOH` will form a carbylamine ? .A. `C CI_(4)`B. `CHCI_(3)`C. `CH_(2)CI_(2)`D. `CH_(3)CI`
Answer» Correct Answer - B Aliphatic as well as aromatic primary amines form carbylamines (or isocyanides) when heated with chloroform and ethanolic postassium hydroxide. `overset(RNH_(2))underset(AgNH_(2))(or)+CHCl_(3)+3KOH overset("ethanol")underset(Delta)rarr overset(RNC)underset("Carbylamine")underset(ArNC)(or)+3KCl+3H_(2)O`

Discussion

No Comment Found

Related InterviewSolutions

Which of the following is most basic?A. B. C. D.
Which of the follwing compounds is most basic ? .A. B. C. D.
`C_(3)H_(9)N` cannot representA. `1^(@)`B. `2^(@)` amineC. `3^(@)` amineD. quaternary salt
Which of the follwing are used as urfactants ? .A. Quaternary ammonium saltsB. Diazonium saltsC. Aminium saltsD. Ammonium salts
Ritter reaction is a good method for preparing primary amines containing a .A. primary alky1 groupB. secondary alky1 groupC. tertiary alky1 groupD. quaternary alky1 group
The end prouct `(B)` formed in the reaction `RNCoverset(HgO)rarrAunderset(Delta)overset(KOH)rarrB` is .A. `RNH_(2)`B. `RCH_(2)NH_(2)`C. `RNHCH_(3)`D. `RNHR`
The end product `(B)` formed in the reaction `CH_(3)CH_(2)Broverset(AgCN)rarrAunderset(2H_(3)O^(+))overset("1.NaOH Prolonged heat")rarr` is .A. `CH_(3)CH_(2)NHCH_(3)`B. `CH_(3)CH_(2)CH_(2)NH_(2)`C. `CH_(3)CH_(2)NH_(2)`D. `(CH_(3)CH_(2))_(3)N`
Consider the following sequence of reactions: `overset(C CI_(4))underset(Delta)rarr A overset(1.CH_(2)=CH-CH_(2)Br)underset(2.H_(3)O^(o+),Delta)rarrB` The end product (B) is:A. B. C. D.
`CH_(3)CH_(2)Br overset(AgCN)rarr A overset(NaOH, Delta)underset(overset(o+)(H_(3)O))rarrB,(B)` is:A. `CH_(3)CH_(2)NHCH_(3)`B. `CH_(3)CH_(2)CH_(2)NH_(2)`C. `CH_(3)CH_(2)NH_(2)`D.
Consider the following sequence of reactions `C_(6)H_(5)CH_(2)Ioverset(KCH)rarrA overset(H_(2)//Ni)rarrB` the final product `(B)` is .A. `C_(6)H_(5)CH_(2)CH_(2)NH_(2)`B. `C_(6)H_(5)CH_(2)NH_(2)`C. `C_(6)H_(5)NH_(2)`D. `C_(6)H_(5)NHCH_(3)`