In which of the following. E1 elimination is most favorable?

1. 

2. 

3. 

4. All of the above

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 72%
Level 2: 60%+
Hints

The increasing order of electrophilic substitution for the following compounds is:

  

1. IV<I<II<III 2. III<II<I<IV
3. I<IV<III<II 4. II<III<I<IV
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 76%
Level 2: 60%+
AIPMT - 2000
Hints

In Friedel craft reaction, Toluene can be prepared by:

1. C6H6 + CH3Cl

2. C6H5Cl + CH4

3. C6H6 + CH2Cl2

4. C6H6 + CH3COCl

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 90%
Level 1: 80%+
AIPMT - 2000
Hints

advertisementadvertisement

Which reagent is used to convert propene into 1-propanol?

1. H2O, H2SO4

2. B2H6, H2O2, OH

3. Hg(OAc)2, NaBH4/H2O

4. Aq. KOH

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 74%
Level 2: 60%+
AIPMT - 2000
Hints

Which of the following is not the characteristic of arenes?
1. More stability
2. Resonance
3. Delocalization of π electrons
4. Electrophilic addition

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 78%
Level 2: 60%+
AIPMT - 1998
Hints

When 2-Bromopentane reacts with ethanolic KOH, the main product that is formed is:

1. Cis-2-pentene 2. Trans-2-pentene
3. 1-pentene 4. None of the above
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 67%
Level 2: 60%+
AIPMT - 1998
Hints

advertisementadvertisement

Phenylacetylene undergoes a reaction with dilute H2SO4 in the presence of HgSO4 to yield:
 

1. 2.
3. 4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 76%
Level 2: 60%+
AIPMT - 1999
Hints

Compound 'A' on chlorination gives compound 'B'. 'B' reacts with alc. KOH to give gas 'C' which decolorizes Baeyer reagent. Ozonolysis of compound 'C' gives only HCHO compound. Compound 'A' is:

1. C2 H6 2. C2H4
3. C4H10 4. C2H5Cl

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 65%
Level 2: 60%+
AIPMT - 1999
Hints

The reaction of HBr with propene in the presence of peroxide gives:

1. 3-bromopropane

2. Allyl bromide

3. n-propyl bromide

4. Isopropyl bromide 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 83%
Level 1: 80%+
AIPMT - 2004
Hints

advertisementadvertisement

Which of the following reactions, in the presence of anhydrous AlCl₃, leads to the formation of ethylbenzene (Ph–Et)?

1. CH3CH=CH2+C6H6

2. H2C=CH2+C6H6

3. H3CCH3+C6H6

4. H3CCH2OH+C6H6

Subtopic:  Aromatic Hydrocarbons - Reactions & Mechanism |
Level 3: 35%-60%
AIPMT - 2004
Hints