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

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Chemistry
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Write the structures and IUPAC names of the :Adipic acid compound

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Acids >> Nomenclature of Carboxylic Acids

How is carbolic acid prepared from chlorobenzene?

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Acids >> Methods of Preparation of Carboxylic Acids

Identify ‘A' and ‘B’ in the following reaction :

C6H5MgBr + C02 `(`> ‘A’   `(PCl_5)/()`> ‘B’

 

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Acids >> Methods of Preparation of Carboxylic Acids

Show how the following compound can be converted to benzoic acid.

Phenylethene (Styrene)

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Acids >> Methods of Preparation of Carboxylic Acids

How is nitromethane prepared from the following?

α-halogen carboxylic acid

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Chemical Properties and Reactions of Carboxylic Acid

How is methoxy benzene prepared from carbolic acid?

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Acids >> Methods of Preparation of Carboxylic Acids

Complete and rewrite the balanced chemical equations

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Acids >> Nomenclature of Carboxylic Acids

Complete and rewrite the balanced chemical equations

Butanone + 2, 4-dinitro-phenylhydrazine 

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Chemical Properties and Reactions of Carboxylic Acid

Write chemical equation for the following :
Hell - Vohlard - Zelinsky reaction

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Acids >> Chemical Reactions of Carboxylic Acids - Substitution Reactions in the Hydrocarbon Part

Write chemical equation for the following :
Fischer esterificatione

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Acids >> Chemical Reactions of Carboxylic Acids - Reactions Involving Cleavege of C-OH Bond

Write balanced equation for the following conversion: 
a. Cyclopropane carboxylic acid to cyclopropylmethanol.
b. Acetyl chloride to benzyl methyl ketone using dialkyl cadmium. 

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Chemical Properties and Reactions of Carboxylic Acid

What is the action of following reagents on glucose?
1. Bromine water
2. Hydroxylamine

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Acids >> Methods of Preparation of Carboxylic Acids

Identify A and B from the following reaction and rewrite complete reaction: 

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Chemical Properties and Reactions of Carboxylic Acid

The functional group present in triacylglycerol is _______.

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Acids >> Methods of Preparation of Carboxylic Acids

Acid anhydride on reaction with primary amine gives compound having a functional group ______.

Appears in 1 question paper
Chapter: [12.02] Carboxylic Acids
Concept: Acids >> Chemical Reactions of Carboxylic Acids - Reactions Involving Cleavege of C-OH Bond

How is ethyl amine prepared from methyl iodide?

Appears in 1 question paper
Chapter: [13] Amines
Concept: Amines >> Preparation of Amines

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

Appears in 1 question paper
Chapter: [13] Amines
Concept: Amines >> Preparation of Amines

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

Appears in 1 question paper
Chapter: [13] Amines
Concept: Amines >> 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] Amines
Concept: Physical Properties of 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] Amines
Concept: Classification of Amines
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