The shortest C-C bond distance is found in

(a) diamond                                 (b) ethane

(c) benzene                                  (d) acetylene

Concept Questions :-

Aliphatic Hydrocarbon- physical properties
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Benzene reacts with n-propyl chloride in the presence of anhydrous AlCl3 to give

(a) 3-propyl-1-chlorobenzene

(c) n-propyl benzene

(c) no reaction

(d) iso-propyl benzene

Concept Questions :-

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

(a) benzene                              (b) ethene

(c) butane                                (d) ethyne

 

Concept Questions :-

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

Concept Questions :-

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

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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 is not converted to  by:

(a) Wolff-Kishner reaction

(b) Clemmensen reduction

(c) red P + HI at 200°C

(d) Wurtz's reaction

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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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

Concept Questions :-

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

1. C2H5HSO4                               2. CH3CHO

3. HCHO                                       4. CH2=CH2

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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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

Concept Questions :-

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

(a) 2-methyl-2-butene

(b) 3-methyl-1-butene

(c) Cyclopentane

(d) 2-methyl-1-butene

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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