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HSC Science (Electronics) 12th Standard Board Exam - Maharashtra State Board Important Questions

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Mention 'two' uses of propan-2-one.

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Chapter: [13.01] Amines
Concept: Preparation of Amines

What is the action of acetic anhydride on diethylamine?

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Chapter: [13.01] Amines
Concept: Chemical Reactions of Amines - Electrophilic Substitution

What is the action of nitrous acid on secondary nitroalkane?

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Chapter: [13.01] Amines
Concept: Identification of Primary, Secondary and Tertiary Amines

What is the action of nitrous acid on tertiary nitroalkane

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Chapter: [13.01] Amines
Concept: Identification of Primary, Secondary and Tertiary Amines

What is the action of the following reagents on aniline?

Acetic anhydride

 

Appears in 1 question paper
Chapter: [13.01] Amines
Concept: Chemical Reactions of Amines - Electrophilic Substitution

What is the action of the following reagents on aniline?

Hot and conc. sulphuric acid

Appears in 1 question paper
Chapter: [13.01] Amines
Concept: Chemical Reactions of Amines - Electrophilic Substitution

Identify 'A' and 'B' in the following reaction and rewrite the complete reaction :

Appears in 1 question paper
Chapter: [13.01] Amines
Concept: Preparation of Amines

Isobutylamine is an example of ______.

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Chapter: [13.01] Amines
Concept: Classification of Amines

Answer in one sentence.

Which amide does produce ethanamine by Hofmann bromamide degradation reaction?

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Chapter: [13.01] Amines
Concept: Preparation of Amines

The following amines is the product of Gabriel phthalimide synthesis.

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Chapter: [13.01] Amines
Concept: Preparation of Amines

Arrange the following compounds in increasing order of their boiling points.

Ethyl alcohol, Ethyl amine, Ethanoic acid, Ethane

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Chapter: [13.01] Amines
Concept: Physical Properties of Amines

Write the order of reactivity of alkyl halides with ammonia.

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Chapter: [13.01] Amines
Concept: Preparation of Amines

What is the action of nitrous acid on the following compounds?

Isopropyl amine

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Chapter: [13.01] Amines
Concept: Classification of Amines

Write reactions to bring about the following conversions.

Acetamide to Ethylamine

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Chapter: [13.01] Amines
Concept: Preparation of Amines

Explain Hoffmann’s exhaustive alkylation with suitable reactions.

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Chapter: [13.01] Amines
Concept: Preparation of Amines

Write the name of the product formed by the action of LiAlH4/ether on acetamide.

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Chapter: [13.01] Amines
Concept: Preparation of Amines

What is the action of the following reagents on ethyl amine?

Chloroform and caustic potash

Appears in 1 question paper
Chapter: [13.01] Amines
Concept: Chemical Reactions of Amines - Carbylamine Reaction

Write the name of reduction product formed when ethyl cyanide is treated with sodium and alcohol.

Appears in 1 question paper
Chapter: [13.01] Amines
Concept: Preparation of Amines

Among dimethylamine (pKb = 3.27) and diethylamine (pKb = 3.0), which one is more basic?

Appears in 1 question paper
Chapter: [13.01] Amines
Concept: Identification of Primary, Secondary and Tertiary Amines

What is Stephen reaction?

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Chapter: [13.02] Cyanides and Isocyanides
Concept: Cyanides and Isocyanides
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