In a reaction, 

CH2=CH2acidHypochlorousMRCH2OH|CH2OH

M = molecules, R = reagent. M and R are

1. CH3CH2Cl and NaOH

2. CH2Cl.CH2OH and aq. NaHCO3

3. CH3CH2OH and HCl

4.  and heat

Concept Questions :-

Alkanes, Alkenes and Alkynes -Methods of Preparation
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When 3,3-dimethyl-2-butanol is heated with conc.H2SO4, the major product obtained is

1. 2,3-dimethyl-2-butene

2. 3,3-dimethyl-2-butene

3. 2,3-dimethyl-1-butene

4. cis and trans-isomers of 2,3-dimethyl-2-butene

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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During ozonolysis of CH2=CH2 if hydrolysis is made in absence of Zn dust the products formed are:

1. HCHO                                  2. HCOOH 

3. CH3OH                                4. CH2OHCH2OH

 

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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CH3CC.CH3(ii) H2O/Zn(i) X

In the above reaction X is:

(a) HNO3                                (b) O2

(c) O3                                     (d) KMnO4

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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Major product of the following reaction is:

 + Alc.KOH ?

(a) butene-1                                  (b) butene-2

(c) butane                                     (d) butyne-1

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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An alkene, obtained by the dehydration of an alcohol (A), on ozonolysis gives two molecules of acetaldehyde for every molecule of alkene. The alcohol (A) is:

(a) CH3CH2CH2OH                             (b) CH3CH2OH

(c) CH3CH=CHCH2OH                       (d) 

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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Gammexane (a γ-isomer) is:

1. BHC                                          2. benzene hexachloride

3. lindane                                      4. all of these

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In the following reaction the catalyst used is:

         C6H6 + 3H2

1. Cr2O3                                      2. Al2O3

3. Zn dust                                    4. Cr2O3 and Al2O3

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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Silver acetylide when heated with HCl gives:

(a) C2H2                                (b) H2

(c) C2H4                                (d) C6H6

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R-CH2-CCl2-RReagentR-CC-R. The reagent is

1. Na                                     2. HCl in H2O

3. KOH in C2H5OH                 4. Zn in alcohol 

Concept Questions :-

Alkanes, Alkenes and Alkynes - Chemical Properties
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