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NCERT Solutions for Class 12 Chemistry Chemistry Ii Chapter 12 Aldehydes, Ketones And Carboxylic Acids

NCERT Solution For Class 12 Chemistry Chemistry Ii

Aldehydes, Ketones And Carboxylic Acids Here is the CBSE Chemistry Chapter 12 for Class 12 students. Summary and detailed explanation of the lesson, including the definitions of difficult words. All of the exercises and questions and answers from the lesson's back end have been completed. NCERT Solutions for Class 12 Chemistry Aldehydes, Ketones And Carboxylic Acids Chapter 12 NCERT Solutions for Class 12 Chemistry Aldehydes, Ketones And Carboxylic Acids Chapter 12 The following is a summary in Hindi and English for the academic year 2024-25. You can save these solutions to your computer or use the Class 12 Chemistry.

Question 1

	List I		List II
A.	Benzaldehyde	1.	Phenolphtalein
B.	Phthalic anhydride	2.	Benzoin Condensation
C.	Phenyl benzoate	3.	Oil of wintergreen
D.	Methyl salicylate	4.	Fries rearrangement

NCERT Solutions for Class 12 Chemistry Chemistry Ii Chapter 12 Aldehydes, Ketones And Carboxylic Acids

NCERT Solution For Class 12 Chemistry Chemistry Ii

Write the structures of the following compounds.Methoxy propionaldehyde

Write the structures of the following compounds.3-Hydroxybutanal

Write the structures of the following compounds.2-Hydroxycyclopentane carbaldehyde

Write the structures of the following compounds.4-oxopentanal

Write the structures of the following compounds.Di-sec-butyl ketone

Write the structures of the following compounds.4-fluoro acetophenone.

Write the structures of the following reactions:

Write the structures of the following reactions:

Write the structures of products of the following reactions:

Write the structures of products of the following reactions:

Arrange the following compounds in increasing order of their boiling points:CH3CHO, CH3CH2OH, CH3OCH3, CH3CH2CH3.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions: Ethanal, Propanal, Propanone, Butanone.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions: Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.

Predict the products of the following reactions:

Predict the products of the following reactions:

Predict the products of the following reactions:

Predict the products of the following reactions:

Give the IUPAC names of the following compounds:

Give the IUPAC names of the following compounds:

Give the IUPAC names of the following compounds:

Give the IUPAC names of the following compounds:

Show how each of following compounds could be converted to benzoic acid.Ethylbenzene.

Show how each of following compounds could be converted to benzoic acid.Acetophenone.

Show how each of following compounds could be converted to benzoic acid.Bromobenzene.

Show how each of following compounds could be converted to benzoic acid.Phenylethene (styrene)

Which acid of each pair shown here would you expect to be stronger?CH2FCOOH or CH2ClCOOH

Which acid of each pair shown here would you expect to be stronger?CH2FCH2CH2COOH or CH3CHFCH2COOH

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

Give the IUPAC names of ?

Give the IUPAC names of

Write structures of the following compounds:3-phenyl propanal.

Write structures of the following compounds:1, 5-pentanedial.

Write common names of the following compounds:

Write common names of the following compound:

Write systematic name of the following compound:CH3COCH(CH3)2

Write systematic name of the following compound:CH2 = CHCH2COCH2CH3.

Give common names for each of the following compounds:

Give common names for each of the following compound:

Write the formula of the following compound:cyclopentane carbaldehyde.

Write the formula of the following compound:(E)-Hex-3-ene dial.

Calculate the number of sigma bonds in diphenyl ketone.

Name the following compounds:

Name the following compounds:

Draw the structure and write the name of the chain isomer of pentan-2-one.

Draw the structure and write the name of the position isomer of pentan-3-one.

Why is it important to distil out the aldehyde as soon as it is formed by the oxidation of primary alcohol?

What does PCC stand for? Give its composition and one use.

Write the product and name of the following reaction:Benzyl alcohol + pyridinium chlorochromate

Complete the following reaction by writing down the major product:

Complete the following reaction by writing down the major product:

Write the structures of compound A and B in the following reaction:

Prepare propanone from an alkyne with same number of carbon atom.

Ethanal is more soluble in water than ethyl chloride. Explain.

Why is butanone less volatile than ethoxy ethane?

What is the correct order of increasing boiling point?I: CH3CH2CH2OH, II:CH3CH2OCH3,III:CH3CH2CHO, IV:CH3CH2CH3.

How will you prepare benzaldehyde commercially?

Write an equation for making aldehydes by the oxo-process.

Convert acetic acid into acetone.

Convert acetic acid into acetaldehyde.

In the following electrophilic substitution reaction: (i) Identify the compound A.(ii) Write the structure of the electrophile.

Draw (i) resonance structure and (ii) an atomic orbital representation of the methanol.

What happens when 3-methyl but-2-ene is treated with ozone and the product is reduced?

What happens when 2-methyl butene-2 is ozonised and this product is reduced?

Write the equation for the reaction when 2,3-dimethyl butene-2 is treated with ozone and the ozonide is reduced.

How will you prepare (i) ethanal from ethyne and (ii) propanone from propyne?

How will you prepare benzaldehyde from phenol?

How will you obtain benzophenone from benzene

How will you prepare acetaldehyde from acetylene?

Prepare ethanal from ethanoly chloride by reduction method.

Give the industrial preparation of ethanal.

Write the structure of compounds A and B:

Give the product of the reaction of acetaldehyde with sodium hydrogen sulphite.

Complete the following:

Complete the following:

What happens when ethanal reacts with excess of methanol in the presence of trace amount of HCl?

Explain Clemmensen’s reduction.

Convert propanone into propane.

Write the structures of A and B.

Write the structures of the following compounds.
$straight alpha minus$ Methoxy propionaldehyde

Write the structures of the following compounds.
3-Hydroxybutanal

Write the structures of the following compounds.
2-Hydroxycyclopentane carbaldehyde

Write the structures of the following compounds.
4-oxopentanal

Write the structures of the following compounds.
Di-sec-butyl ketone

Write the structures of the following compounds.
4-fluoro acetophenone.

Write the structures of the following reactions:
$left parenthesis straight C subscript 6 straight H subscript 5 CH subscript 2 right parenthesis subscript 2 Cd plus 2 CH subscript 3 COCl space rightwards arrow$

Arrange the following compounds in increasing order of their boiling points:
CH₃CHO, CH₃CH₂OH, CH₃OCH₃, CH₃CH₂CH₃.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions:
Ethanal, Propanal, Propanone, Butanone.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions:
Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.

Give the IUPAC names of the following compounds:

$begin mathsize 14px style bold italic P bold italic h bold space bold italic C bold italic H subscript bold 2 bold italic C bold italic H subscript bold 2 bold space bold italic C bold italic O bold italic O bold italic H end style$

Show how each of following compounds could be converted to benzoic acid.
Ethylbenzene.

Show how each of following compounds could be converted to benzoic acid.
Acetophenone.

Show how each of following compounds could be converted to benzoic acid.
Bromobenzene.

Show how each of following compounds could be converted to benzoic acid.
Phenylethene (styrene)

Which acid of each pair shown here would you expect to be stronger?
CH₂FCOOH or CH₂ClCOOH

Which acid of each pair shown here would you expect to be stronger?
CH₂FCH₂CH₂COOH or CH₃CHFCH₂COOH

Give the IUPAC names of $CH subscript 3 CHO$ ?

Write structures of the following compounds:
3-phenyl propanal.

Write structures of the following compounds:
1, 5-pentanedial.

Write systematic name of the following compound:
CH₃COCH(CH₃)₂

Write systematic name of the following compound:
CH₂ = CHCH₂COCH₂CH₃.

Write the formula of the following compound:
cyclopentane carbaldehyde.

Write the formula of the following compound:
(E)-Hex-3-ene dial.

Write the product and name of the following reaction:
Benzyl alcohol + pyridinium chlorochromate

What is the correct order of increasing boiling point?
I: CH₃CH₂CH₂OH,
II:CH₃CH₂OCH₃,
III:CH₃CH₂CHO,
IV:CH₃CH₂CH₃.

In the following electrophilic substitution reaction:

(i) Identify the compound A.
(ii) Write the structure of the electrophile.

Complete the following:

$bold left parenthesis bold italic C bold italic H subscript bold 3 bold right parenthesis subscript bold 2 bold italic C bold italic O bold space bold rightwards arrow with bold N bold H subscript bold 2 bold N bold H subscript bold 2 on top$

What happens when ethanol is treated with concentrated sulphuric acid
(a) above 0°C, (b) below 0°C?

What happens when ethanal is distilled with dilute H₂SO₄ at 273 K?

Arrange the following in their increasing order of expected enol content.
CH₃COCH₂CHO, CH₃COCH₃, CH₃CHO, CH₃COCH₂ COCH₃.

Give the common name of $bold italic C bold italic l bold italic C bold italic H subscript bold 2 bold italic C bold italic O bold italic O bold italic H$ .

Write the structural formula of
(i) 2-Hydroxy-3-butenoic acid.
(ii) cis-2, 3-dihydroxy but-2-en-1, 4 dioic acid.

Arrange the following compounds in order of increasing boiling point :
CH₃CH₂CH₂OH, CH₃COCH₃,CH₃CH₂COOH, CH₃OCH₂CH₃.

Which of the following reducing agents can reduce RCOOH → RCH₂OH?
NaBH₄, LiAlH₄, B₂H₆/H₃O⁺ Na/C₂H₅OH

What happens when ethanoic acid is heated with P₂O₅?

Give a chemical test to distinguish between CH₃COOH and HCOOH.

Give the product formed with C₆H₅COOH reacts with
(i) Br₂/Fe
(ii) Conc.HNO₃/H₂SO₄

Arrange the following compound in increasing order of their boiling points:
Acetic acid, Methyl formate, Acetamide, Propan-1-ol.

What product is obtained when ethyl benzene is oxidised with alkaline KMnO₄?

What happens when (CH₃)₃CCOOH reacts with bromine in the presence of red phosphorus?

What happens when benzoic acid is treated with a mixture of conc.HNO₃ and conc. H₂SO₄?