Hydrogen cyanide and hydrogen isocyanide are:

1. Tautomers

2. Positional isomers

3. Metamers

4. Chain isomers

Subtopic:  Structural Isomers |

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The number of different amines corresponding to the formula C3H9N is:

1. 2

2. 3

3. 4

4. 5

Subtopic:  Structural Isomers |
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The number of optical isomers of pent-3-en-2-ol is:

1. 2             

2. 4

3. 8             

4. 16

Subtopic:  Stereo Isomers |
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Buta-1,3-diene and But-2-yne are:

1. Position isomers

2. Functional isomers

3. Chain isomers

4. Tautomers

Subtopic:  Structural Isomers |
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Sulphur trioxide is:

1. An electrophile             

2. A nucleophile

3. A homolytic agent         

4. A base

Subtopic:  Nucleophile & Electrophile |
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(CH3)4N+ is neither an electrophile nor a nucleophile because of it:

1.  Does not have an electron pair for donation and it also cannot attract an electron pair.
2. Neither has an electron pair available for donation nor can accommodate electrons since all shells of N are fully occupied.
3. Can act as Lewis acid and base.
4. None of the above.

Subtopic:  Nucleophile & Electrophile |
 84%
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The stability of 2,3-dimethylbut-2-ene is more than 2-butene. This can be explained in terms of:

1. Resonance

2. Hyperconjugation

3. Electromeric effect

4. Inductive effect

Subtopic:  Electron Displacement Effects |
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Among the following the most stable carbocation is:

1. 2.
3. 4.
Subtopic:  Electron Displacement Effects | Reaction Intermediates ; Preparation & Properties |
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Silver sulphate solution is used to separate:

1. Nitrate and bromide

2. Nitrate and chlorate

3. Bromide and iodide

4. Nitrate and nitrite

Subtopic:  Qualitative Analysis of Organic Compounds |
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The IUPAC name of  is:

1. 2,6-Dimethylhepta-2, 5-dienoic acid

2. 3,7-Dimethylhepta-2, 5-dienoic acid

3. 1-Hydroxy-2, 6-dimethylhepta-2, 5-dienone

4. None of the above

Subtopic:  Nomenclature |
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