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CBSE
Class 12
Chemistry
Chemistry - II
Aldehydes, Ketones and Carboxylic Acids
Question Bank

Question Bank - Aldehydes, Ket...

Practice Hub

Question Bank: Aldehydes, Ketones and Carboxylic Acids

This chapter focuses on the study of aldehydes, ketones, and carboxylic acids, which are crucial functional groups in organic chemistry.

Structured practice

Question Bank - Aldehydes, Ketones and Carboxylic Acids

Q1.

What is the IUPAC suffix for aldehydes?

Single Answer MCQ
Q-00083689
View explanation
Q2.

Which of the following is a common name for propan-2-one?

Single Answer MCQ
Q-00083690
View explanation
Q3.

In naming aldehydes, from which end of the carbon chain do you start numbering?

Single Answer MCQ
Q-00083691
View explanation
Q4.

The common name of the compound CH3CHO is:

Single Answer MCQ
Q-00083692
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Q5.

Which of the following correctly indicates the structure of a ketone?

Single Answer MCQ
Q-00083693
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Q6.

How are ketones named in the common naming system?

Single Answer MCQ
Q-00083694
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Q7.

Which molecule would be termed as ‘benzaldehyde’ in IUPAC nomenclature?

Single Answer MCQ
Q-00083695
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Q8.

What is the IUPAC name for the compound with the formula CH3C(=O)CH3?

Single Answer MCQ
Q-00083696
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Q9.

What distinguishes ketones from aldehydes structurally?

Single Answer MCQ
Q-00083697
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Q10.

In naming a cyclic ketone, which carbon is considered as number one?

Single Answer MCQ
Q-00083698
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Q11.

Which of the following is a key characteristic in naming aldehydes in IUPAC nomenclature?

Single Answer MCQ
Q-00083699
View explanation
Q12.

What is the IUPAC name for a four-carbon chain aldehyde?

Single Answer MCQ
Q-00083700
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Q13.

Which of the following statements about common names is correct?

Single Answer MCQ
Q-00083701
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Q14.

Which pair represents the correct IUPAC naming for the provided compound functional groups?

Single Answer MCQ
Q-00083702
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Q15.

Which type of compound is characterized by having the carbonyl group bonded to two carbon atoms?

Single Answer MCQ
Q-00083703
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Q16.

Which of the following aldehydes is a gas at room temperature?

Single Answer MCQ
Q-00083704
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Q17.

What is the reason for the higher boiling points of aldehydes and ketones compared to hydrocarbons?

Single Answer MCQ
Q-00083705
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Q18.

Which compound has the highest boiling point among the following?

Single Answer MCQ
Q-00083706
View explanation
Q19.

What characterizes the odor of lower aldehydes in comparison to higher aldehydes?

Single Answer MCQ
Q-00083707
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Q20.

Which statement is true regarding solubility of aldehydes and ketones in water?

Single Answer MCQ
Q-00083708
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Q21.

Which of the following compounds would be least soluble in water?

Single Answer MCQ
Q-00083709
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Q22.

Carboxylic acids generally have higher boiling points than aldehydes. What is the main reason for this?

Single Answer MCQ
Q-00083710
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Q23.

Which property distinguishes ketones from aldehydes?

Single Answer MCQ
Q-00083711
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Q24.

Which of the following statements about aldehydes and ketones is incorrect?

Single Answer MCQ
Q-00083712
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Q25.

What is the main factor for the increased acidity of carboxylic acids compared to alcohols?

Single Answer MCQ
Q-00083713
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Q26.

What type of interaction allows lower aldehydes and ketones to be miscible with water?

Single Answer MCQ
Q-00083714
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Q27.

Which of the following has the greatest effect on the physical state of carboxylic acids at room temperature?

Single Answer MCQ
Q-00083715
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Q28.

In terms of volatility, how do aldehydes compare to carboxylic acids?

Single Answer MCQ
Q-00083716
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Q29.

What role do dipole-dipole interactions play in the physical properties of aldehydes and ketones?

Single Answer MCQ
Q-00083717
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Q30.

Why do higher carboxylic acids tend to be solids at room temperature?

Single Answer MCQ
Q-00083718
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Q31.

Which of the following methods is commonly used to prepare aldehydes from primary alcohols?

Single Answer MCQ
Q-00083719
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Q32.

What is the primary use of heavy metal catalysts like Ag or Cu in the preparation of ketones?

Single Answer MCQ
Q-00083720
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Q33.

Which of the following compounds can be obtained through ozonolysis of an alkene?

Single Answer MCQ
Q-00083721
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Q34.

When you hydrate ethyne in the presence of H2SO4, what products are formed?

Single Answer MCQ
Q-00083722
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Q35.

What role does the carbonyl carbon play in carbonyl compounds?

Single Answer MCQ
Q-00083723
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Q36.

Which process uses zinc dust to give aldehydes or ketones?

Single Answer MCQ
Q-00083724
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Q37.

Which type of alcohol is oxidized to form a ketone?

Single Answer MCQ
Q-00083725
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Q38.

Which of the following is a primary alcohol that can be oxidized to an aldehyde?

Single Answer MCQ
Q-00083726
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Q39.

Which reaction type leads to the formation of aldehydes from alkenes?

Single Answer MCQ
Q-00083727
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Q40.

Which reaction involves passing alcohol vapors over catalysts to produce aldehydes or ketones?

Single Answer MCQ
Q-00083728
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Q41.

Which one of the following compounds is a ketone?

Single Answer MCQ
Q-00083729
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Q42.

How does the carbonyl group affect the polarity of carbonyl compounds?

Single Answer MCQ
Q-00083730
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Q43.

What is the likely product of the oxidation of a secondary alcohol?

Single Answer MCQ
Q-00083731
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Q44.

What type of reaction do aldehydes primarily undergo?

Single Answer MCQ
Q-00083732
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Q45.

What does the introduction of water in the presence of acid to an alkyne result in?

Single Answer MCQ
Q-00083733
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Q46.

Which compound is more reactive in nucleophilic addition, propanal or benzaldehyde?

Single Answer MCQ
Q-00083734
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Q47.

What is the expected product of the reaction between butanal and HCN?

Single Answer MCQ
Q-00083735
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Q48.

Which factor contributes to the higher boiling points of carboxylic acids compared to aldehydes?

Single Answer MCQ
Q-00083736
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Q49.

What would be the expected product when acetic acid reacts with sodium bicarbonate?

Single Answer MCQ
Q-00083737
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Q50.

Which of the following is a correct statement regarding the acidity of carboxylic acids?

Single Answer MCQ
Q-00083738
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Q51.

Which reagent can convert an acid chloride into a carboxylic acid?

Single Answer MCQ
Q-00083739
View explanation
Q52.

What is the IUPAC name of the compound with the formula CH3CHO?

Single Answer MCQ
Q-00083740
View explanation
Q53.

Why are aldehydes generally more reactive than ketones?

Single Answer MCQ
Q-00083741
View explanation
Q54.

In the oxidation of primary alcohols, which product is formed after full oxidation?

Single Answer MCQ
Q-00083742
View explanation
Q55.

Which is the correct order of boiling points for the following: ethanol, acetaldehyde, and acetic acid?

Single Answer MCQ
Q-00083743
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Q56.

What is the reduction product of a ketone, specifically 2-pentanone?

Single Answer MCQ
Q-00083744
View explanation
Q57.

How does the presence of electron-withdrawing groups affect the acidity of carboxylic acids?

Single Answer MCQ
Q-00083745
View explanation
Q58.

Which of the following reactions is a characteristic of ketones?

Single Answer MCQ
Q-00083746
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Q59.

What is the functional group present in carboxylic acids?

Single Answer MCQ
Q-00083747
View explanation
Q60.

Which of the following is a carboxylic acid?

Single Answer MCQ
Q-00083748
View explanation
Q61.

Which property is characteristic of carboxylic acids?

Single Answer MCQ
Q-00083749
View explanation
Q62.

Which aldehyde is commonly used as a preservative in biological samples?

Single Answer MCQ
Q-00083750
View explanation
Q63.

What is the IUPAC name for CH3COOH?

Single Answer MCQ
Q-00083751
View explanation
Q64.

Which ketone is primarily used in nail polish remover?

Single Answer MCQ
Q-00083752
View explanation
Q65.

Which reaction forms carboxylic acids from alcohols?

Single Answer MCQ
Q-00083753
View explanation
Q66.

Which carboxylic acid is famously used in the food industry for its sour flavor?

Single Answer MCQ
Q-00083754
View explanation
Q67.

How does the presence of electronegative substituents affect the acidity of carboxylic acids?

Single Answer MCQ
Q-00083755
View explanation
Q68.

What is a primary use of benzaldehyde?

Single Answer MCQ
Q-00083756
View explanation
Q69.

What is the main product of the reaction of sodium bicarbonate with acetic acid?

Single Answer MCQ
Q-00083757
View explanation
Q70.

Which of the following ketones is used as a solvent in the production of plastics?

Single Answer MCQ
Q-00083758
View explanation
Q71.

Identify the correct statement about carboxylic acids.

Single Answer MCQ
Q-00083759
View explanation
Q72.

Which carboxylic acid is responsible for the tangy flavor in citrus fruits?

Single Answer MCQ
Q-00083760
View explanation
Q73.

Which of the following carboxylic acids has the highest boiling point?

Single Answer MCQ
Q-00083761
View explanation
Q74.

Which of the following is an important application of ketones in pharmaceuticals?

Single Answer MCQ
Q-00083762
View explanation
Q75.

Which process converts a carboxylic acid into an aldehyde?

Single Answer MCQ
Q-00083763
View explanation
Q76.

How are carboxylic acids typically used in cosmetics?

Single Answer MCQ
Q-00083764
View explanation
Q77.

What is a key characteristic of the acidity of carboxylic acids compared to alcohols?

Single Answer MCQ
Q-00083765
View explanation
Q78.

Which method is used to synthesize carboxylic acids from alkylbenzene?

Single Answer MCQ
Q-00083766
View explanation
Q79.

What role does formic acid play in textile processing?

Single Answer MCQ
Q-00083767
View explanation
Q80.

Which reactant typically reacts with carboxylic acids to form esters?

Single Answer MCQ
Q-00083768
View explanation
Q81.

Which compound is widely recognized as a natural preservative in the food industry?

Single Answer MCQ
Q-00083769
View explanation
Q82.

What type of bond is formed between a carboxylic acid and an alcohol during esterification?

Single Answer MCQ
Q-00083770
View explanation
Q83.

Which aldehyde is important in the synthesis of perfumes?

Single Answer MCQ
Q-00083771
View explanation
Q84.

Which carboxylic acid can be formed from the oxidation of ethanol?

Single Answer MCQ
Q-00083772
View explanation
Q85.

Which carboxylic acid can be found in dairy products and is known for its sour taste?

Single Answer MCQ
Q-00083773
View explanation
Q86.

What property of carboxylic acids accounts for their use in soaps?

Single Answer MCQ
Q-00083774
View explanation
Q87.

Which ketone is used as a refrigerant due to its low boiling point?

Single Answer MCQ
Q-00083775
View explanation
Q88.

How do carboxylic acids enhance the solubility of organic compounds in water?

Single Answer MCQ
Q-00083776
View explanation
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