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HSC Science (Computer Science) १२ वीं कक्षा - Maharashtra State Board Important Questions

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Write the name of the product when ketones react with 1,2-diol in presence of dry HCl.

Appears in 2 question papers
Chapter: [12] Aldehydes, Ketones and Carboxylic Acids
Concept: Chemical Properties of Aldehydes and Ketones

Write a classification of aliphatic ketones with a suitable example.

Appears in 2 question papers
Chapter: [12] Aldehydes, Ketones and Carboxylic Acids
Concept: Classification of Aldehydes, Ketones and Carboxylic Acids

Write a reaction to distinguish acetaldehyde from acetone

Appears in 2 question papers
Chapter: [12] Aldehydes, Ketones and Carboxylic Acids
Concept: Chemical Properties of Aldehydes and Ketones

Convert the following:

Cyclohexene into adipic acid.

Appears in 2 question papers
Chapter: [12] Aldehydes, Ketones and Carboxylic Acids
Concept: Preparation of Carboxylic Acids

Write mechanism of Aldol addition reaction.

Appears in 2 question papers
Chapter: [12.01] Aldehydes and Ketones
Concept: Aldehydes and Ketones >> Reactivity of Alpha Hydrogen in Aldehydes

Write a note on the self oxidation-reduction reaction of an aldehyde with a suitable example.

Appears in 2 question papers
Chapter: [12.01] Aldehydes and Ketones
Concept: Aldehydes and Ketones >> Chemical Reactions of Aldehydes and Ketones - Other Reactions

Describe the following:

Cannizzaro reaction

Appears in 2 question papers
Chapter: [12.01] Aldehydes and Ketones
Concept: Aldehydes and Ketones >> Chemical Reactions of Aldehydes and Ketones - Other Reactions

Write chemical equation for the following:
Gatterman - Koch formylation

Appears in 2 question papers
Chapter: [12.01] Aldehydes and Ketones
Concept: Preparation of Aldehydes and Ketones

How will you convert sodium acetate to methane?

Appears in 2 question papers
Chapter: [12.01] Aldehydes and Ketones
Concept: Aldehydes and Ketones >> Chemical Reactions of Aldehydes and Ketones - Nucleophilic Addition Reactions

Write chemical equation for the following :
Rosenmund reduction

Appears in 2 question papers
Chapter: [12.01] Aldehydes and Ketones
Concept: Preparation of Aldehydes and Ketones

Write the number of moles of ethanoyl chloride required for complete acylation of N, N-dimethylaniline.

Appears in 2 question papers
Chapter: [13] Amines
Concept: Classification of Amines

Distinguish between methanamine, dimethanamine and trimethanamine using Hinsberg’s reagent.

Appears in 2 question papers
Chapter: [13] Amines
Concept: Basicity of Amines

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

Appears in 2 question papers
Chapter: [13.01] Amines
Concept: Amines >> Chemical Reactions of Amines - Reaction with Nitrous Acid

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

Appears in 2 question papers
Chapter: [13.01] Amines
Concept: Amines >> Chemical Reactions of Amines - Reaction with Nitrous Acid

Write the number of moles of ethanoyl chloride required for complete acylation of N, N-dimethylaniline.

Appears in 2 question papers
Chapter: [13.01] Amines
Concept: Classification of Amines

Complete the following reaction.

\[\ce{H2N - CH2 - COOH + H2N - CH2 - CH2 - COOH ->[-H2O] ?}\]

Appears in 2 question papers
Chapter: [14] Biomolecules
Concept: Biomolecules in the Cell > Proteins

Explain the preparation of glucose from sucrose.

Appears in 2 question papers
Chapter: [14] Biomolecules
Concept: Biomolecules in the Cell > Carbohydrates

Define peptide bond.

Appears in 2 question papers
Chapter: [14] Biomolecules
Concept: Biomolecules in the Cell > Proteins

Explain globular and fibrous proteins with example.

Appears in 2 question papers
Chapter: [14] Biomolecules
Concept: Biomolecules in the Cell > Proteins

Define carbohydrates.

Appears in 2 question papers
Chapter: [14] Biomolecules
Concept: Biomolecules in the Cell > Carbohydrates
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