Allyl isocyanide has:

1. 9 σ, and 4π-bonds.

2. 8 σ, and 5π-bonds

3. 9 σ, and 3π-bonds, 

4. 8 σ, and 3 π bonds

Subtopic:  Hybridisation & Structure of Carbon Compounds |
 66%
From NCERT
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Which of the following acids has the smallest dissociation constant?

(1) CH3CHFCOOH

(2) FCH2CH2COOH

(3) BrCH2CH2COOH

(4) CH3CHBrCOOH

Subtopic:  Acidic & Basic Character |
 63%
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Which of the following resonating structures of 1-methoxy-1,3-butadiene is least stable ?

(1) C⊝H2 -CH=CH-CH=O⊕-CH3

(2) CH2=CH-C⊝H-CH=O⊕-CH3

(3) C⊝H2-C⊕H-CH=CH-O-CH3

(4) CH2=CH-C⊝H-C⊕H-O-CH3

Subtopic:  Electron Displacement Effects |
From NCERT
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The least stable resonance structure among the following is:

1. 

2. 

3. 

4. 

Subtopic:  Electron Displacement Effects |
From NCERT
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Hyperconjugation involves the overlap of the following orbitals:

1. σ - σ

2. σ - p

3. p - p

4. π - π

Subtopic:  Electron Displacement Effects |
 63%
From NCERT
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The IUPAC name of the compound shown below is:

1. 2-bromo-6-chlorocyclohex-1-ene

2. 6-bromo-6-chlorocyclohexene

3. 3-bromo-1-chlorocyclohex-1-ene

4. 1-bromo-3-chlorocyclohexene

Subtopic:  Nomenclature |
 88%
From NCERT
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Which of the following structures are superimposable?

(1) 

(2) 

(3) 

(4) 

(1) 1 and 2

(2) 2 and 3

(3) 1 and 4

(4) 1 and 3

 

 

 

 

 

Subtopic:  Stereo Isomers |
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The production of an optically active compound from a symmetric molecule without resolution in termed as:

(1) Walden inversion

(2) partial racemisation

(3) asymmetric synthesis

(4) partial resolution

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 |
 75%
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The number of different substitution products possible when ethane is allowed to react with Chlorine in sunlight are:

(1) 9

(2) 6

(3) 8

(4) 5

Subtopic:  Structural Isomers |
From NCERT
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