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प्रश्न
Tertiary amines have lowest boiling points because ________________
पर्याय
they possess polar N-C bonds
they possess intermolecular dipole-dipole attraction forces
they possess intermolecular H-bonding
they do not possess intermolecular H-bonding
उत्तर
Tertiary amines have lowest boiling points because they do not possess intermolecular H-bonding
APPEARS IN
संबंधित प्रश्न
Identify the weakest base amongst the following :
(a) p- methoxyaniline
(b) o-toluidine
(c) benzene - 1, 4 - diamine
(d) 4 - aminobenzoic acid
Give reasons for the following: (CH3)2NH is more basic than (CH3)3N in an aqueous solution.
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 :
C6H5 – NH2, C6H5 – CH2 – NH2, C6H5 – NH – CH3
Arrange the following in increasing order of their basic strength :
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.
Write a short note on ammonolysis.
Accomplish the following conversion:
Aniline to p-bromoaniline
Give plausible explanation for each of the following:
Why are aliphatic amines stronger bases than aromatic amines?
Complete the following reaction:
\[\ce{C6H5N2Cl + H3PO2 + H2O ->}\]
Give reason (CH3)2NH is more basic than (CH3)3N in an aqueous solution.
Arrange the following in the increasing order of their pKb values:
C6H5NH2, C2H5NH2, C6H5NHCH3
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?
Answer in one sentence.
Arrange the following amines in increasing order of boiling points.
n-propylamine, ethylmethyl amine, trimethylamine.
Which among the following has the highest boiling point?
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.
Acetic acid exist as dimer in benzene due to
Dimerisation of carboxylic acids is due to
The hydrogen bond is shortest in
Which of the following compound gives a secondary amine oh reduction?
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
