Benzene reacts with n-propyl chloride in the presence of anhydrous AlCl3 to give

1. 3-propyl-1-chlorobenzene

2. n-propyl benzene

3. no reaction

4. iso-propyl benzene

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 69%
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The distance between two adjacent cabron atoms is largest in

1. benzene 

2. ethene

3. butane

4. ethyne

 

Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
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In benzene, C-C bond length is 1.39 A°; the C-H bond length is:

1. 1.39 

2. 1.08

3. 1.54

4. 1.46

Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
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Which reaction produces acrylonitrile (CH2=CHCN)?

1. Ethyne Ba2+HCN                           

2. Acrylic acid KCN

3. Ethyne KCN                           

4. Ethyne HOCl

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 53%
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 is not converted to  by:

1. Wolff-Kishner reaction

2. Clemmensen reduction

3. Red P + HI at 200°C

4. Wurtz's reaction

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 80%
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Products of the following reaction

CH3CC.CH2CH3(ii)Hydrolysis(i) O3... are

1. CH3CHO + CH3CH2CHO

2. CH3COOH + CH3COCH3

3. CH3COOHHOOC.CH2CH3

4. CH3COOHCO2

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 60%
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Acetylene reacts with 42% H2SO4 containing 1% HgSO4 to give:

1. C2H5HSO4                               

2. CH3CHO

3. HCHO                                       

4. CH2=CH2

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 78%
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When CaC2 was hydrolysed a gas was obtained. It had a garlic odour due to phosgene present as impurity. The gas was passed through ammoniacal solution of Cu2Cl2, a red ppt. was obtained. The gas was:

1. ethylene                                       

2. propyne

3. acetylene                                     

4. ethane

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 73%
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Which of the following compounds with molecular formula, C5H10 yields acetone on ozonolysis?

1. 2-methyl-2-butene

2. 3-methyl-1-butene

3. Cyclopentane

4. 2-methyl-1-butene

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 80%
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Ozonolysis (O3H2O2) of, CH3-CH|CH3-CC-CH3 gives :

1.  CH3CH|CH3COOHCH3COOH

2. CH3CH|CH3CHO + CH3CHO

3. CH3CH|CH3CHO + CH3COOH

4. none of the above

 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 75%
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