Which alkene on ozonolysis gives CH3CH2CHO and  CH3CCH3       ||       O  ?

1.

2. CH3CH2CH=CHCH2CH3

3. CH3CH2CH=CHCH3

4. 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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Hydroxylation of propyne in the presence of HgSO4/H2SO4 is initiated by the attack of:

1. carbene 

2. free radical

3. electrophile

4. nucleophile

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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Ozonolysis of buta-1,3-diene gives:

1. HCHO and glyoxal

2. CH3CHO and glyoxal

3. CO2 and glyoxal

4. HCHO + glyoxal + CH3CHO

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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A mixture of ethane, ethene and ethyne is passed through an ammoniacal AgNO3 solution. The gases that remain unreacted are-

1. Ethane and Ethene 

2. Ethane and Ethyne

3. Ethene and Ethyne 

4. Ethane only

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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The most suitable reagent among the following that is used to distinguish compound (III) from the rest of the compounds is -

I. CH3-CC-CH3

II. CH3-CH2-CH2-CH3

III. CH3-CH2-CCH

IV. CH3-CH=CH2

1. Br2/CCl4

2. Br2/CH3COOH

3. Alk.KMnO4 

4. Ammoniacal AgNO3

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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The reaction, 

C6H6 + CH3ClAlCl3AnhydrousC6H5CH3 + HCl

is an example of:

1. Friedel-Crafts reaction

2. Kolbe's synthesis

3. Wurtz's reaction

4. Grignard synthesis

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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Ozonolysis of will give:

1. 

2. 

3.  

4. none of the above

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
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2-Methylpropene and But-1-ene can be distinguished by -

1. Baeyer's reagent

2. Ammoniacal AgNO3

3. Br2 solution 

4. O3Zn/H2O

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