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

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Chemistry
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What is metamerism? 

Appears in 2 question papers
Chapter: [11.01] Alcohols
Concept: Alcohols, Phenols and Ethers >> Nomenclature

How is phenol converted into the following?

benzoquinone

Appears in 2 question papers
Chapter: [11.01] Alcohols
Concept: Alcohols, Phenols and Ethers >> Nomenclature

Write a chemical reaction for the following conversion:

Acetic acid into ethyl alcohol.

Appears in 2 question papers
Chapter: [11.01] Alcohols
Concept: Alcohols, Phenols and Ethers >> Nomenclature

What is metamerism? 

Appears in 2 question papers
Chapter: [11.02] Phenols
Concept: Alcohols, Phenols and Ethers >> Nomenclature

What is the action of bromine water on carbolic acid?

Appears in 2 question papers
Chapter: [11.02] Phenols
Concept: Phenols >> Methods of Preparation

How carbolic acid is prepared from benzene sulphonic acid ?

Appears in 2 question papers
Chapter: [11.02] Phenols
Concept: Phenols >> Phenols

How is phenol prepared from cumene?

Appears in 2 question papers
Chapter: [11.02] Phenols
Concept: Phenols >> Methods of Preparation

How is phenol converted into the following?

benzoquinone

Appears in 2 question papers
Chapter: [11.02] Phenols
Concept: Alcohols, Phenols and Ethers >> Nomenclature

Write a chemical reaction for the following conversion:

Acetic acid into ethyl alcohol.

Appears in 2 question papers
Chapter: [11.02] Phenols
Concept: Alcohols, Phenols and Ethers >> Nomenclature

What is metamerism? 

Appears in 2 question papers
Chapter: [11.03] Ethers
Concept: Alcohols, Phenols and Ethers >> Nomenclature

How is phenol converted into the following?

benzoquinone

Appears in 2 question papers
Chapter: [11.03] Ethers
Concept: Alcohols, Phenols and Ethers >> Nomenclature

How will you obtain the following? (Give balanced equation.)

Ethyl chloride from diethyl ether.

Appears in 2 question papers
Chapter: [11.03] Ethers
Concept: Ethers >> Physical and Chemical Properties of ether

Write a chemical reaction for the following conversion:

Acetic acid into ethyl alcohol.

Appears in 2 question papers
Chapter: [11.03] Ethers
Concept: Alcohols, Phenols and Ethers >> Nomenclature

Write chemical equation for the following:
Gatterman - Koch formylation

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

Write chemical equation for the following :
Rosenmund reduction

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

Correct order of acid strength for

  1. acetic acid
  2. fluoroacetic acid
  3. 4-Nitrobenzoic acid 
  4. 4-Methyl benzoic acid is ______.
Appears in 2 question papers
Chapter: [12] Aldehydes, Ketones and Carboxylic Acids
Concept: Chemical Properties of Carboxylic Acids

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

How acetone is converted into propane.

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

Explain Aldol condensation of ethanal.

Appears in 2 question papers
Chapter: [12] Aldehydes, Ketones and Carboxylic Acids
Concept: Concepts of Aldehydes, Ketones, and Carboxylic Acids >> Chemical Reactions of Aldehydes and Ketones - Reactions Due to α-hydrogen
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