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प्रश्न
Identify the weakest base amongst the following :
(a) p- methoxyaniline
(b) o-toluidine
(c) benzene - 1, 4 - diamine
(d) 4 - aminobenzoic acid
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उत्तर
(d) 4 - aminobenzoic acid
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संबंधित प्रश्न
Give reason for the following:
Primary amines have higher boiling point than tertiary amines.
Arrange the following: C2H5NH2, C2H5OH, (CH3)3N – in the increasing order of their boiling point
Arrange the following in increasing order of their basic strength :
- Write structures of different isomeric amines corresponding to the molecular formula C4H11N.
- Write the IUPAC names of all the isomers.
- What type of isomerism is exhibited by different pairs of amines?
How will you convert Benzene into aniline?
How will you convert Benzene into N, N-dimethylaniline?
How will you convert Cl−(CH2)4−Cl into hexan-1, 6-diamine?
Arrange the following in increasing order of their basic strength:
C2H5NH2, C6H5NH2, NH3, C6H5CH2NH2 and (C2H5)2NH
Arrange the following in increasing order of their basic strength:
C2H5NH2, (C2H5)2NH, (C2H5)3N, C6H5NH2
Arrange the following in increasing order of their basic strength:
CH3NH2, (CH3)2NH, (CH3)3N, C6H5NH2, C6H5CH2NH2
Complete the following acid-base reaction and name the product:
\[\ce{CH3CH2CH2NH2 + HCl ->}\]
Complete the following acid-base reaction and name the product:
\[\ce{(C2H5)3N + HCl ->}\]
Account for the following:
Gabriel phthalimide synthesis is preferred for synthesising primary amines.
Arrange the following:
In increasing order of boiling point:
C2H5OH, (CH3)2NH, C2H5NH2
Write a short note on ammonolysis.
Accomplish the following conversion:
Benzene to m-bromophenol
Accomplish the following conversion:
Aniline to p-bromoaniline
Give a plausible explanation for the following:
Why are aliphatic amines stronger bases than aromatic amines?
Complete the following reaction:
\[\ce{C6H5N2Cl + H3PO2 + H2O ->}\]
Give reasons CH3NH2 is more basic than C6H5NH2.
Give reason (CH3)2NH is more basic than (CH3)3N in an aqueous solution.
Illustrate the following reactions giving suitable example in each case
Ammonolysis
Arrange the following in increasing order of basic strength :
C6H5NH2, C6H5NHCH3, C6H5N(CH3)2
Choose the most correct option.
Which one of the following compounds has the highest boiling point?
Tertiary amines have lowest boiling points because ________________
Arrange the following compounds in increasing order of their boiling points.
Ethyl alcohol, Ethyl amine, Ethanoic acid, Ethane
The CORRECT decreasing order of solubility in water will be ____________.
The CORRECT decreasing order of boiling points is:
Among the following isomeric amines, an amine having highest boiling point is:
Which of the following should be most volatile?
A compound Z with molecular formula \[\ce{C3H9N}\] reacts with \[\ce{C6H5SO2Cl}\] to give a solid, insoluble in alkali. Identify Z.
Dimerisation of carboxylic acids is due to
The hydrogen bond is shortest in
Which of the following have less melting point than amine?
Which of the following amines form maximum hydrogen bonds within themselves?
Arrange the following in increasing order of their boiling point:
C2H5OH, C2H5NH2, (C2H5)3N
Arrange the decreasing boiling point.
\[\ce{CH3COOH, C2H5OH, CH3NH2, CH3OCH3}\]
Write short note on the following:
Ammonolysis
The correct order of decreasing basic strength of the given amines is:
