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

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 71%
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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. is and trans-isomers of 2,3-Dimethyl-2-butene

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 58%
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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

 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 56%
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CH3CC.CH3(ii) H2O/Zn(i) XCH3-C-C-CH3
          ||    ||
          O    O

In the above reaction X is:

1. HNO3 

2. O2

3. O3

4. KMnO4

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 83%
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The major product of the following reaction is:

 +  Alc.KOH   ?

1. Butene

2. But-2-ene

3. Butane 

4. But-1-yne

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 92%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

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:

1. CH3CH2CH2OH 

2. CH3CH2OH

3. CH3CH=CHCH2OH   

4. 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 65%
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Gammexane (a γ-isomer) is:

1. BHC
2. Benzene hexachloride
3. Lindane
4. All of the above

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 74%
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NEET 2023 - Target Batch - Aryan Raj Singh

In the following reaction the catalyst used is:

         C6H6 + 3H2

1. Cr2O3                                      2. Al2O3

3. Zn dust                                    4. Cr2O3 and Al2O3

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 65%
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Silver acetylide when heated with HCl gives:

1. C2H2

2. H2

3. C2H4 

4. C6H6

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 75%
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R-CH2-CCl2-RReagentR-CC-R.
The reagent is: 

1. Na                                     
2. HCl in H2O
3. NaNH2               
4. Zn in alcohol 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 71%
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NEET 2023 - Target Batch - Aryan Raj Singh
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