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

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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?

Appears in 1 question paper
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

Appears in 1 question paper
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

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

Explain basic nature of amines.

Appears in 1 question paper
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

Appears in 1 question paper
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

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

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

What is the action of acetic anhydride on diethylamine?

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

What is the action of nitrous acid on secondary nitroalkane?

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

What is the action of nitrous acid on tertiary nitroalkane

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