In the folllowing sequence products I, J and L are formed and K represents a regent.

 

(i) The structure of the product I is:

(ii) The structures of compounds J & K respectively are:

(iii) The structure of product L is:

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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A tertiary alcohol H upon acid catalysed dehydration gives a product I. Ozonolysis of I leads to compounds J & K. Compound J upon reaction with KOH gives benzyl alcohol and a compound L, whereas K on reaction with KOH gives only M.

(i) Compound H is formed by the reaction of: 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Vanillin, used as a flavouring agent, is:
1. An Aliphatic alcohol
2. An Aromatic aldehyde
3. A Hydrocarbon
4. A Carbohydrate

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 88%
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Acetophenone on oxidation by perbenzoic acid gives phenyl acetate. The reaction is named as:

1. Baeyer-Villiger oxidation

2. Perkin's reaction

3. Claisen condensation

4. Reformatsky reaction

Subtopic:  Name Reaction |
 55%
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In Etard's reaction, toluene is oxidised to benzaldehyde using:

(1) H2O2

(2) Cl2

(3) chromium trioxide or CrO2Cl2

(4) KMnO4

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 95%
From NCERT
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m-chlorobenzaldehyde on reaction with conc. KOH at room temperature gives:

1. potassium m-chlorobenzoate and m-hydroxybenzaldehyde

2. m-hydroxybenzaldehyde and m-chlorobenzyl alcohol

3. m-chlorobenzyl alcohol and m-hydroxy benzyl alcohol

4. potassium m-chlorobenzoate and m-chlorobenzyl alcohol

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 63%
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Formylchloride has not been prepared so far. Which can function as formylchloride in formylation ?

(1) HCHO + HCl

(2) HCOOCH3 + HCl

(3) CO + HCl

(4) HCONH2 + HCl

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 50%
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In the reaction, the compound 'X' is:

(1) CH3COOH

(2) Br·CH2COOH

(3) (CH3CO)2O

(4) CHO·COOH

Subtopic:  Carboxylic Acids: Preparation & Properties |
 52%
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The major product H of the given reaction sequence is:

CH3-CH2-CO-CH3CN-GHeat95 % H2SO4H

1. CH3-CH=C|-COOH
                      CH3

2. CH3-CH=C|-CN
                      CH3

3.                      OH
CH3-CH-C||-COOH
                      CH3

4. CH3-CH=C|-CO-NH2
                      CH3

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
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In presence of iodine catalyst, chlorine reacts with acetic acid to form:

1.
2.
3.
4.
 

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
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