What is the decreasing order of the basicity of 1°, 2° and 3° ethyl amines (in aquous) and ammonia ?

1. NH3>C2H5NH2>(C2H5)2NH>(C2H5)3N

2. (C2H5)3N>(C2H5)2NH>C2H5NH2>NH3

3. (C2H5)2NH>C2H5NH2>(C2H5)3N>NH3

4. (C2H5)2NH>(C2H5)3N>C2H5NH2>NH3

 

Subtopic:  Identification of Primary, Secondary & Tertiary Amines |
 61%
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An aromatic primary amine with cold nitrous acid leads to the formation of:

1. alcohol

2. nitrite

3. diazonium salt

4. benzene

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 73%
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The least basic aqueous solution among the following is -

1. (CH3)2NH

2. CH3NH2

3. (CH3)3N

4. C6H5NH2

Subtopic:  Identification of Primary, Secondary & Tertiary Amines |
 60%
From NCERT
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Which one of the following on reduction with LiAlH4 yields a secondary amine ?

[2007]

1. Methyl isocyanide

2. Acetamide

3. Methyl cyanide

4. Nitroethane

Subtopic:  Identification of Primary, Secondary & Tertiary Amines | Cyanides & Isocyanides |
 79%
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The IUPAC name of the compound having formula,

 O=CCHCH2
      |       |        |
    OH    NH2    OH is :

1. 3-Aminohydroxypropionic acid

2. 2-Amino-propan-3-oic acid

3. Amino hydroxy propionic acid

4. 2-Amino-3-hydroxy propanoic acid

Subtopic:  Amines - Preparation & Properties |
 86%
From NCERT
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In the reaction,

CH3CN+2HSnCl2HClX Boiling H2O Y, the term Y is 

[1999]

1. Acetone

2. Ethanamine

3. Acetaldehyde

4. Dimethyl amine

Subtopic:  Cyanides & Isocyanides |
 58%
From NCERT
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RMgX on reacting with cyanogen chloride gives:

1. R-NC

2. R-Cl

3. R-CN

4. None of the above

Subtopic:  Cyanides & Isocyanides |
 59%
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X and Y in the given reaction are:

1. CH3COOH + (CH3)2NH

2. CH3CONH2 + CH3OH

3. CH3CHO + (CH3)2NH

4. CH3COCH3 + CH3NH2

Subtopic:  Identification of Primary, Secondary & Tertiary Amines |
 77%
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Which of the following is the strongest base ?

1. 

2. 

3. 

4. 

Subtopic:  Amines - Preparation & Properties |
 66%
From NCERT
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Primary, secondary and tertiary nitroalkanes can be identifier by the action of:

1. HNO2 + NaOH(aq)

2. CHCl3 + NaOH (aq)

3. CHCl3 + KOH(alc.)

4. none of these

Subtopic:  Urea & Nitro Compound |
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