Biuret test is not given by: 

(1) proteins

(2) carbohydrates

(3) polypeptides

(4) urea

Subtopic:  Amines - Preparation & Properties |
 61%
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NEET 2023 - Target Batch - Aryan Raj Singh
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An aromatic amine (A) was treated with alcoholic potash and another compound (Y) when a foul smelling gas was formed with formula C6H5NC. (Y) was formed by reacting a compound (Z) with Cl2 in the presence of slaked lime. Compound (Z) is:

1. C6H5NH2

2. CH3OH

3. CH3COCH3

4. CHCl3

Subtopic:  Amines - Preparation & Properties | Identification of Primary, Secondary & Tertiary Amines |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Identify 'Z' in the reaction given below;

(2) H2O; boil (1)HNO2(280 K)xNaOHYCH3lZ:

1. 

2. 

3. 

4. 

 

   

              

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 61%
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The product obtained on nitration followed by alkaline hydrolysis of acetylated aniline is:

1. o-Nitroacetanilide

2. o- and p-Nitroaniline

3. m-Nitroaniline

4. Acetanilide

Subtopic:  Amines - Preparation & Properties |
 74%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

The formula of picramide is :

1. 

2. 

3. 

4. 

Subtopic:  Amines - Preparation & Properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Pyridine possesses :

(1) aromatic nature

(2) unsaturated aliphatic nature

(3) alicyclic nature

(4) aliphatic nature

Subtopic:  Amines - Preparation & Properties |
 70%
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Ammoniacal solution of Ni(CN)2 reacts with C6H6 to produce a light violet coloured crystaline compound of the formula:

(1) Ni(CN)2·C6H5

(2) C6H5CH3

(3) Ni(CN)2C6H6

(4) Ni(CN)2NH3·C6H6

Subtopic:  Amines - Preparation & Properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
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The diazonium salt  gives,  with:

1. HCl/CuCl

2. HNO2/Cu

3. C2H5OH

4.  SnCl2/HCl

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 67%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

The reaction, C6H5N2Cl Cu2Cl2/HClC6H5Cl + N2 is called:

1. Etard's reaction

2. Sandmeyer's reaction

3. Wurtz-Fitting reaction

4. Perkin's reaction

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 91%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Choose the correct statement from the ones given below for two anilium in:

                   

1. II is not an acceptable canonical structure because carbonium ions are less stable than ammonium ions

2. II is not an acceptable canonical structure because it is non-aromatic

3. II is not an acceptable canonical structure because the nitrogen has 10 valence electrons

4. II is an acceptable canonical structure

Subtopic:  Amines - Preparation & Properties |
 56%
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