Hybridisation of N in pyrrole  is

1. sp                               
2. sp2
3. sp3                             
4. sp3d

Subtopic:  Hybridisation & Structure of Carbon Compounds |
 58%
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The most reactive of these compounds towards sulphonation is

1. Toluene                2. Chlorobenzene

3. Nitrobenzene        4. m-Xylene

Subtopic:  Nucleophile & Electrophile |
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In the above compound, arrange the nitrogen according to their decreasing basic strength.

1. 1>2>3>4

2. 4>3>1>2

3. 2>4>1>3

4. 3>4>1>2

Subtopic:  Acidic & Basic Character |
 60%
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 The correct stability order for the following species is:

1. II>IV>I>III

2. II>I>III>IV

3. II>I>IV>III

4. I>III>II>IV

Subtopic:  Reaction Intermediates ; Preparation & Properties |
 73%
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The most stable carbanion among the following is-

1. 2.
3. 4.
Subtopic:  Reaction Intermediates ; Preparation & Properties |
 84%
From NCERT
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How many geometrical isomers are possible of the following?

 CH3-CH=CH-CH=CH-CH3

1. 2             2. 3

3. 4             4. 6

Subtopic:  Stereo Isomers |
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Most stable radical is

1. 

2. 

3. 

4. 

Subtopic:  Reaction Intermediates ; Preparation & Properties |
From NCERT
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Please attempt this question first.

Which of the following is the most stable carbonium ion?

1. 
2. 
3. 
4. 

Subtopic:  Reaction Intermediates ; Preparation & Properties |
 62%
From NCERT
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Which of the following will have minimum C-Cl bond length?

1. CH3-CH2-Cl       
2. PhCH2-Cl
3. Ph-Cl           
4. CH2=CH-CH2-Cl

Subtopic:  Hybridisation & Structure of Carbon Compounds |
 71%
From NCERT
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The decreasing order of stability is-

1. A > B > C > D
2. D > B > C > A
3. D > C > B > A
4. A > B > D > C

Subtopic:  Reaction Intermediates ; Preparation & Properties |
 75%
From NCERT
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