Ethanal reacts with HCN and the addition product so obtained is hydrolyzed to form a new compound. The compound shows

1. Optical isomerism

2. Geometrical isomerism

3. Tautomerism

4. Metamerism

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Ethyl acetate on reaction with excess of methyl magnesium chloride and dil. H2SO4 gives

1. dimethyl ketone

2. iso propyl alcohol

3. ethyl aceto acetate

4. t-butyl alcohol

Subtopic:  Isomers & Reaction Mechanism |
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A mixture of benzaldehyde and formaldehyde on heating with aqueous (conc.)NaOH       solution gives

1. benzyl alcohol and sodium formate

2. sodium benzoate and methyl alcohol

3. sodium benzoate and sodium formate

4. none of these

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 57%
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For the reaction:

 

Which reagent will be appropriate for the above conversion?

1. Zn-Hg/HCl

2. NH2-NH2/OH-

3. LiAlH4/H

4. HI/P

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 51%
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Identify (X) in the given sequential reaction.

1. CH3OH

2. Ethyl alcohol

3. Methyl cyanide

4. tert-Butyl alcohol

Subtopic:  Isomers & Reaction Mechanism |
 88%
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Phenolphthalein is produced on heating phthalic anhydride and conc. sulphuric acid with

1. Salicylic acid

2. Phenol

3. Phenacetin

4. Phenanthrene

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 60%
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The compound Y in the above sequence of reactions is:

 

1. 1-Phenylethene

2. 2-Phenyl-2-propanol

3. Acetophenone

4. Benzaldehyde

Subtopic:  Isomers & Reaction Mechanism |
 72%
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In the following reaction:

The structure of the major product 'X' is

(1)

(2)

(3)

(4)

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
 54%
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The compound  can be exclusively oxidized into

by

1. NaCN followed by hydrolysis

2. NaOI followed by H3O+

3. KMnO4 hot followed by hydrolysis

4. K2Cr2O7 followed by H3O+

Subtopic:  Carboxylic Acids: Preparation & Properties |
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KMnO4Y

In the above reaction, X and Y are:

1. Identical

2. Homologous

3. Structural Isomers

4. Stereoisomers

Subtopic:  Carboxylic Acids: Preparation & Properties |
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