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HSC Science (Electronics) इयत्ता १२ वी - Maharashtra State Board Important Questions

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

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Chapter: [13] Amines
Concept: Preparation of Amines

How is chlorobenzene prepared from aniline?

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

How are 1 - nitropropane, 2-nitropropane and 2-methyl 2- nitropropane are distinguished from each other using nitrous acid?

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

Which of the following amines yields foul smelling product with holoform and alcoholic KOH?

(a)    Ethyl amine                   

(b)   Diethyl amine

(c)    Triethyi amine               

(d)  Ethyl methyl amine

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

Primary and secondary nitroalcanes containing α - H atom show property of -

  1. chain isomerism
  2. tautomerism
  3. optical isomerism
  4. geometrical isomerism
Appears in 1 question paper
Chapter: [13.01] Amines
Concept: Identification of Primary, Secondary and Tertiary Amines

How is ethyl amine prepared from methyl iodide?

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Chapter: [13.01] Amines
Concept: Preparation of Amines

The amine which reacts with nitrous acid to give yellow oily compound is _______.

(A) ethylamine

(B) isopropylamine

(C) secondary butylamine

(D) dimethylamine

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

What is the action of acetic anhydride on ethylamine?

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

What is the action of nitrous acid on primary nitroalkane?

 

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

How are propan-1-amine and propan-2-amine prepared from oxime?

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

What is the action of the following reagents on aniline?

Bromine water

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

Identify the compounds 'A' and 'B' in the following equation:

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

Identify the weakest base amongst the following :

(a) p- methoxyaniline

(b) o-toluidine

(c) benzene - 1, 4 - diamine

(d) 4 - aminobenzoic acid

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

When primary amine reacts with CHCl3 in alcoholic KOH, the product is _______.

(A) aldehyde

(B) alcohol

(C) cyanide

(D) an isocyanide

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

In the following 

The compound ‘B’ is _______.
(A) Propan–1–amine

(B) Propan–2–amine

(C) Isopropylamine

(D) Dimethylamine

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Chapter: [13.01] Amines
Concept: Classification of Amines

Explain basic nature of amines.

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Chapter: [13.01] Amines
Concept: Structure of Amines

What will be the action of the mixture of sodium nitrite and dilute hydrochloric acid on diethyl amine

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Chapter: [13.01] Amines
Concept: Chemical Reactions of Amines - Reaction with Nitrous Acid

What will be the action of the mixture of sodium nitrite and dilute hydrochloric acid on triethyl amine

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

What is the action of Benzene Sulphonyl Chloride on primary, secondary and tertiary
amines?

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

Explain the mechanism of action of hydroiodic acid on 3-methylbutan-2-ol.

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