MCQ Questions for Class 12 Chemistry Chapter 12 Aldehyde Ketones and Carboxylic acid with Answer Keys

If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Chemistry Chapterwise. In this article of AKVTutorials, you will get MCQ Questions for Class 12 Chapter 12 Aldehyde Ketones and Carboxylic acid with Answer Keys.

MCQ Questions for Class 12 Chemistry Chapter 12 Question No 1: 

When propyne is treated with aqueous sulphuric acid in presence of mercuric sulphate, the major product is :

Option A : Propanal

Option B : Propyl hydrogen sulphate

Option C : Acetone

Option D : Propanol

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Option C : Acetone

MCQ Questions for Class 12 Chemistry Chapter 12 Question No 2:  

Moleculer formula of a compound C5H10O It forms phenyl hydrazone but does not give positive test with Tollen’s reagent and I2/NaOH. on reduction, it gives n pentane.  The compound is :

Option A : p alcohol

Option B : aldehyde

Option C : ketone

Option D : s alcohol

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Option C : ketone

MCQ Questions for Class 12 Chemistry Chapter 12 Question No 3:  

The reagent which may be used to convert acetic acid into methylamine in 1 step is :

Option A : NH3/H2SO4

Option B : NH2NH2

Option C : NaNH2/NH3

Option D : NH2OH

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Option A : NH3/H2SO4

MCQ Questions for Class 12 Chemistry Chapter 12 Question No 4:      

Among the following, which aldehyde gives cinnamaldehyde with benzaldehyde ?

Option A : Formaldehyde

Option B : Acetaldehyde

Option C : Crotonaldehyde

Option D : Propanaldehyde

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Option B : Acetaldehyde

MCQ Questions for Class 12 Chemistry Chapter 12 Question No 5:     

Which of the following yields corresponding alcohol and acid with NaOH solution ? 

Option A : Benzoic acid

Option B : Benzaldehyde

Option C : Butanol

Option D : Phenol

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Option B : Benzaldehyde

MCQ Questions for Class 12 Chemistry Chapter 12 Question No 6:        

Oxidation of Toluene by KMnO4 gives :

Option A : benzyl alcohol

Option B : benzaldehyde

Option C : benzoic acid

Option D : none of these

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Option C : benzoic acid

MCQ Questions for Class 12 Chemistry Chapter 12 Question No 7:    

The product obtained when acetic acid reacts with PCl3 is :

Option A : CH3-CO-O-PCl2

Option B : CH3-CO-Cl

Option C : CH3-CO-O-Cl

Option D : Cl-CH2-COOH

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Option B : CH3-CO-Cl

MCQ Questions for Class 12 Chemistry Chapter 12 Question No 8:     

Under certain conditions, the product of reaction between acetyl chloride and Grignard Reagent is :

Option A : amine

Option B : ketone

Option C : aldehyde

Option D : ester

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Option B : ketone

MCQ Questions for Class 12 Chemistry Chapter 12 Question No 9:    

The product formed when acetamide reacts with bromine/ NaOH is :

Option A : acetic acid

Option B : methyl amine

Option C : methyl bromide

Option D : methanol

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Option B : methyl amine

MCQ Questions for Class 12 Chemistry Chapter 12 Question No 10:     

Which of the following is used as acylating agent ? 

Option A : glacial acetic acid

Option B : acetic anhydride

Option C : ethyl acetate

Option D : anhydrous sodium acetate

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Option B : acetic anhydride

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