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Aldehydes, Ketones and Carboxylic Acids

Telangana Open School (TOSS) · Class 12 · Chemistry

Most important questions from Aldehydes, Ketones and Carboxylic Acids for Telangana Open School (TOSS) Class 12 Chemistry board exam 2026. MCQs, short answer, and long answer questions with marks.

53 questions30 flashcards5 concepts

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53 Questions·
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Sample Questions

1multiple choice
1 marks

Which of the following is a carboxylic acid?

Show answer

CH₃COOH

CH₃COOH contains the -COOH group, which is characteristic of carboxylic acids.

2multiple choice
1 marks

What is the product when ethanol is oxidized using acidified K₂Cr₂O₇?

Show answer

Ethanal

Primary alcohols oxidize to aldehydes first, then to carboxylic acids. Under controlled conditions, ethanal is formed.

3multiple choice
1 marks

Which reagent is used in Tollen's test?

Show answer

[Ag(NH₃)₂]⁺

Tollen's reagent is ammoniacal silver nitrate, which contains [Ag(NH₃)₂]⁺ complex ion.

4multiple choice
1 marks

What is the functional group in aldehydes?

Show answer

>C=O

Aldehydes contain the carbonyl group (>C=O) with at least one hydrogen attached to the carbonyl carbon.

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Frequently Asked Questions

What are the important topics in Aldehydes, Ketones and Carboxylic Acids for Telangana Open School (TOSS) Class 12 Chemistry?
Aldehydes, Ketones and Carboxylic Acids covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Aldehydes, Ketones and Carboxylic Acids — Telangana Open School (TOSS) Class 12 Chemistry?
Understand the core concepts first, then work through the 53 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Aldehydes, Ketones and Carboxylic Acids?
There are 53 practice questions available for Aldehydes, Ketones and Carboxylic Acids. These cover multiple question types including MCQs, short answer, and long answer questions.

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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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