Aldehydes ketones and carboxylic acid In-text Questions

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NCERT Class 12 Chemistry Chapter-wise Solutions

•  1 – The Solid State
• 2 – Solutions
• 3 – Electrochemistry
• 4 – Chemical Kinetics
• 5 – Surface Chemistry
• 6 – General Principles and Processes of Isolation of Elements
• 7 – The p-Block Elements
• 8 – The d-and f-Blocks Elements
• 9 – Coordination Compounds
• 10 – Haloalkanes and Haloarenes
• 11 – Alcohols, Phenols and Ethers
• 12 – Aldehydes, Ketones and Carboxylic Acids
• 13 – Amines
• 14 – Biomolecules
• 15 – Polymers
• 16 – Chemistry in Everyday Life

CHAPTER TWELVE ALDEHYDES, KETONES AND CARBOXYLIC ACIDS

• 12.1 Nomenclature and Structure of Carbonyl Group
• 12.2 Preparation of Aldehydes and Ketones
• 12.3 Physical Properties
• 12.4 Chemical Reacxtions
• 12.5 Uses of Aldehydes and Ketones
• 12.6 Nomenclature and Structure of Carboxyl Group
• 12.7 Methods of Preparation of Carboxylic Acids
• 12.8 Physical properties
• 12.9 Chemical Reactions
• 12.10 Uses of carboxylic Acids

NCERT Solutions class 12 Chemistry aldehydes ketones and carboxylic acid In text Questions

In-text Question

1. Write the structures of the following compounds.

(i) α-Methoxypropionaldehyde

(ii) 3-Hydroxybutanal

(iii) 2-Hydroxycyclopentanecarbaldehyde

(iv) 4-Oxopentanal

(v) Di-sec-butyl ketone

(vi) 4-Fluoroacetophenone

2. Write the structures of products of the following reactions;

(i)

(ii)

(iii)

(iv)

3. Arrange the following compounds in increasing order of their boiling points.

, , ,

4. Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions.

(i)Ethanal, Propanal, Propanone, Butanone.

(ii)Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.

Hint: Consider steric effect and electronic effect.

5. Predict the products of the following reactions:

(i)

(ii)

(iii)

(iv)

6. Give the IUPAC names of the following compounds:

(i)

(ii)

(iii)

(iv)

7. Show how each of the following compounds can be converted to benzoic acid.

(i) Ethylbenzene

(ii) Acetophenone

(iii) Bromobenzene

(iv) Phenylethene (Styrene)

8. Which acid of each pair shown here would you expect to be stronger?

(i) or

(ii) or

(iii) or

(iv)

 covers both organic and inorganic chemistry. Please note that CBSE has reduced the syllabus for class 12 Chemistry. So, you must check the latest syllabus of CBSE while going through the NCERT solution of any chapter given in the class 12 NCERT book.