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Important Questions

Coordination Compounds

Telangana Open School (TOSS) · Class 12 · Chemistry

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

45 questions30 flashcards5 concepts

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45 Questions·
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Sample Questions

1multiple choice
1 marks

Which of the following is a monodentate ligand?

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H₂O

H₂O has only one donor atom (oxygen), so it is monodentate. Ethylenediamine is bidentate, oxalate is bidentate, EDTA is hexadentate.

2multiple choice
1 marks

What is the IUPAC name of [Co(NH₃)₆]Cl₃?

Show answer

Hexaamminecobalt(III) chloride

The complex cation is named first, ligands in alphabetical order (ammine), number of ligands (hexa), metal (cobalt), oxidation state (III), anion (chloride).

3multiple choice
1 marks

Which of the following is a chelating ligand?

Show answer

Ethylenediamine

Ethylenediamine has two donor nitrogen atoms and can form a ring with the metal, making it chelating.

4multiple choice
1 marks

What is the donor atom in NH₃ ligand?

Show answer

Nitrogen

Nitrogen has a lone pair and donates it to the metal, so it is the donor atom.

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Frequently Asked Questions

What are the important topics in Coordination Compounds for Telangana Open School (TOSS) Class 12 Chemistry?
Coordination Compounds 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 Coordination Compounds — Telangana Open School (TOSS) Class 12 Chemistry?
Understand the core concepts first, then work through the 45 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 Coordination Compounds?
There are 45 practice questions available for Coordination Compounds. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

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

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