How many sp² carbon atoms are present in the product formed from the given reaction?


1. 3
2. 0
3. 2
4. 6
 
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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Statement I: Alkene has weak \(\pi\) bond, therefore less stable than alkane. 
Statement II: Weak \(\pi\) bond is less strong than the carbon-carbon sigma bond.
 
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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Which of the following compounds are aromatic?
(A)   (B)
(C) (D)
 
1. Only A and B 2. Only A and C
3. Only B and C 4. A, C, and D
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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Identify A in the given chemical reaction:

1. 2.
3. 4.

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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The major product of the following reaction is:

1. 2.
3. 4. 
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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The correct sequence of reagents used in the preparation of 4-Bromo-2-nitro-1-ethyl benzene from benzene is:

1. \(\small \mathrm{HNO_3 / H_2SO_4 , Br_2 / AlCl_3, CH_3COCl/AlCl_3, Zn-Hg/HCl} \)
2. \(\small \mathrm{Br_2/AlBr_3, CH_3COCl/AlCl_3, HNO_3/H_2SO_4, Zn/HCl } \)
3. \(\small \mathrm{CH_3COCl/AlCl_3, Br_2/AlBr_3, HNO_3/H_2SO_4, Zn/HCl} \)
4. \(\small \mathrm{CH_3COCl/AlCl_3, Zn-Hg/HCl, Br_2/AlBr_3, HNO_3/H_2SO_4} \)
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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Given the following reaction:

The major product A is:
1.  2.
3. 4.
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
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The product A in the following reaction is:              

1. 2.
3. 4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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Consider the following reaction, 

The major product in the above reaction is:

1. 2.
3.
4.

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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The major product among the following reaction is:

1. 2.
3. 4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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