Which of the following is the most reactive towards nucleophilic addition reaction?
1.    2.
3.   4.  
Subtopic:  Isomers & Reaction Mechanism |
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AIPMT - 2014
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The major product formed when cyclohexanecarbaldehyde reacts with PhMgBr and H3O+ is:

1.  2.
3. 4.  None of these
Subtopic:  Aldehydes & Ketones: Preparation & Properties | Isomers & Reaction Mechanism |
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An alkene “A” on reaction with O3 and Zn - H2O gives propanone and ethanal in an equimolar ratio. The addition of HCl to alkene “A” gives “B” as the major product. The structure of product “B” is:

1.  2.
3. 4.
 

Subtopic:  Isomers & Reaction Mechanism |
 82%
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A compound A, when reacted with PCl5 and then with ammonia, gave B. B, when treated with bromine and caustic potash, produced C. C on treatment with NaNO2 and HCl at 0°C and on boiling produced ortho-cresol. Compound A is:

1. o-Toluic acid 2. o-Chlorotoluene
3. o-Bromotoluene 4. m-Toluic acid
Subtopic:  Isomers & Reaction Mechanism |
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What is product 'B' in the below mentioned reaction?

1.  2.
3. 4.
Subtopic:  Isomers & Reaction Mechanism | Carboxylic Acids: Preparation & Properties |
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The formation of cyanohydrin from acetone is an example of:

1. Nucleophilic substitution. 

2. Electrophilic substitution.

3. Electrophilic addition. 

4. Nucleophilic addition.

Subtopic:  Isomers & Reaction Mechanism |
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The below structure is an example of :
Cyanohydrin - Wikipedia

1. Cyanohydrin 2. Hemiacetal
3. Acetal 4. Cyanoalcohol
Subtopic:  Isomers & Reaction Mechanism |
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The nucleophilic addition reaction will be most favored among the given compounds is:

1. CH3CH2CH2COCH3

2. (CH3)2C=O

3. CH3CH2CHO

4. CH3CHO

Subtopic:  Isomers & Reaction Mechanism |
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AIPMT - 2006
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CH3CHO and C6H5CH2CHO can be distinguished by:

1. Benedict test

2. Iodoform test

3. Tollen's reagent test

4. Fehling solution test

Subtopic:  Isomers & Reaction Mechanism |
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From NCERT
AIPMT - 2012
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 is converted to  by

(i) (ii) (iii)
1. CH3 – MgI, H3O+ H2SO4,  ∆ HBr, R2O2
2. CH3 – MgI, H3O+ H2SO4,  ∆ HBr
3. CH3 – MgI, H3O+ HBr
4. HBr, R2O2 CH3 – MgI, H3O+
Subtopic:  Isomers & Reaction Mechanism |
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