An octane number 100 is given to:

1. n-hexane

2. Iso-octane 

3. neo-pentane

4. neo-octane 

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following molecules/species are aromatic in character?

                 

     A                      B                          C                               D

1. B

2. C

3. D

4. A

Subtopic:  Aromatic Hydrocarbons - Nomenclature, Isomerism & Huckel's Rule |
 63%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Xylene, on oxidation with acidic KMnO4, gives:

1. Phthalic acid  2. Isophthalic acid
3. Terephthalic acid 4. All of the above
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 56%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Nitration of benzene is:

1. nucleophilic substitution

2. electrophilic substitution

3. electrophilic addition

4. nucleophilic addition

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 71%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following compounds has the lowest boiling point?

1. CH3CH2CH2CH2CH3

2. CH3CH=CH-CH2CH3

3. CH3CH=CH-CH=CH2

4. CH3CH2CH2CH3

Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
 75%
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NEET 2023 - Target Batch - Aryan Raj Singh
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1-butyne on reaction with hot alkaline KMnO4 gives:

1. CH3CH2CH2COOH 

2. CH3CH2COOH + CO2

3. CH3CH2COOH

4. CH3CH2COOH + HCOOH

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
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CH3-CC-CH3NaNH2 X; what is X?

1. CH3-CH2CH2CH3

2. CH3CH2CCH

3. 

4. CH2=C=CH-CH3

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Acetylene on reacting with hypochlorous acid gives:

1. CH2Cl.CHO 

2. ClCH2CHO

3. Cl2CH.CHO

4. ClCH2COOH

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Benzene reacts with CH3Cl in the presence of anhy. AlCl3 to form

1. toluene

2. chlorobenzene

3. benzylchloride

4. xylene

 

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 87%
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NEET 2023 - Target Batch - Aryan Raj Singh
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CHCHO3/NaOHXZn/CH3COOHY. Y is:

1. CH2OH-CH2OH 

2. CH3CH2OH

3. CH3COOH 

4. CH3OH

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 55%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh