In Friedel-Craft's alkylation, besides AlCl3 the other reactants are                             

1. C6H6 + NH2

2. C6H6 + CH4

3. C6H6 + CH3Cl

4. C6H6 + CH3COCl

Concept Questions :-

Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions
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In a set of reactions, ethyl benzene yielded a product D.                                 

Concept Questions :-

Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions
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Nitrobenzene on reaction with conc. HNO3/H2SO4 at 80-100°C forms which one of the following products?                                                                                            [2013]

(a) 1,2-dinitrobenzene

(b) 1,3-dinitrobenzene

(c) 1,4-dinitrobenzene

(d) 1,2,4-trinitrobenzene

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Propene, CH3-CH=CH2 can be converted into 1-propanol by oxidation. Indicate which set of reagents amongst the following is ideal to effect the above conversion?                                       

1. KMnO4(alkaline)

2. Osmium tetroxide (OsO4/CH2Cl2)

3. B2H6 and alk H2O2

4. O3/Zn

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In the following reaction,

 

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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CH3-CC-HCH3MgBrCH4 + (A)(ii) H2O/H+(i) CO2(B); (B) will be

1. H3C-CH2-CH2-COOH                                2. CH3-CC-CH3

3. H3C-CC-COOH                                     4. H3C-CH=CH-COOH

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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The monochlorinated products (excluding stereo-isomers) obtained from the reaction is:

(1) 4            (2) 5              (3) 6            (4) 7

 

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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3-hexyne can be converted to trans-3-hexene by the action of:

1. H2 - Pd/ BaSO4                       2. Li-Liq. NH3

3. H2 - Pt O2                                4. NaBH4

Concept Questions :-

Alkanes, Alkenes and Alkynes -Methods of Preparation
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Which one of the following has the shortest carbon-carbon bond length?

1. Benzene                                  2. Ethene

3. Ethyne                                    4. Ethane

Concept Questions :-

Aliphatic Hydrocarbon- physical properties
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Reaction of HBr with propene in the presence of peroxide gives

1. iso-propyl bromide

2. 3-bromo propane

3. allyl bromide

4. n-propyl bromide

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