In which of the following molecules, all atoms are coplanar?

1.  

2.  

3.  

4.  

Subtopic:  Hybridisation |
 69%
From NCERT
NEET - 2016

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.


Which of the following can be used as the halide component for Friedel-Crafts reaction?

1.  Chlorobenzene

2.  Bromobenzene

3.  Chloroethene

4.  Isopropyl chloride

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 63%
From NCERT
NEET - 2016

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.


Predict the correct intermediate and product in the following reaction: 
H3C-CCHHgSO4H2O, H2SO4IntermediateAProductB
 
1. A: H3C-C|OH=CH2  ; B:  H3C-C|SO4=CH2
 
2. A: H3C-C||O-CH3  ; B:  H3C-CCH
 
3. A: H3C-C|OH=CH2  ; B:  H3C-C||O-CH3
 
4. A: H3C-C|SO4=CH2  ; B:  H3C-C||O-CH3

 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 78%
From NCERT
NEET - 2017

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

The oxidation of benzene by V2O5 in the presence of air produces

1. benzoic anhydride             2. maleic anhydride

3. benzoic acid                      4. benzaldehyde

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 55%
NEET - 2015

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

 

ANa/NH3lBMCBPAC

Compound (C) in above sequence of reaction is:

1.    2. 

3.   4. 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 55%

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

 Product; Product is:

MCPBA Metachloroperbenzoic acid

1. 

2. 

3. 

4. 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 64%

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

advertisementadvertisement

2. NaHSO31. OsO4 Product of the reaction is :


1.    

2. 

3.      

4. 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 67%

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

The end product 'W' in the follownign sequence of reactions is :

1.
2.
3. Ph-CH2-O-CH2-CH2-Ph
4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties | Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 59%

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

In the following series of reactions the major products P and S are respectively.

Br2/hvPtBuOQiiThO2,/(iii)alc.KOHiHOBr/H+RiiThO2,/(iii)alc.KOH,iHOBr/H+S

1. 

2. 

3. 

4. 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints

advertisementadvertisement

Which of the following is a correct statement regarding the relative acidic character of cyclopropane and propane?

1. Cyclopropane is more acidic than propane

2. Propane is more acidic than cyclopropane

3. Both are equally acidic

4. Both are neutral

Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
 63%

To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.

Hints