IGNOU MCH-011 Inorganic Chemistry 1 | SOLVED ASSIGNMENT 2026-27

IGNOU MCH-011 Inorganic Chemistry 1 · 2026–27 Session

MCH-011 introduces students to the fundamental concepts and principles of Inorganic Chemistry. The course covers the structure of atoms, periodic properties, chemical bonding, molecular structure, coordination compounds, acids and bases, and the chemistry of important inorganic elements and compounds.

The course helps students develop a clear understanding of inorganic chemical principles and their applications, while strengthening their knowledge of bonding, periodicity, structure, and reactivity of inorganic substances.

Course Code	Applicable Session	Maximum Marks	Assignment Code
MCH-019	2026–27 Session	100	MCH-011/TMA/2026-27

Key Areas of Study in MCH-011:

1.    Atomic Structure and Periodic Properties – Study atomic structure, electronic configuration, quantum concepts, and periodic trends of elements.

2.    Chemical Bonding and Molecular Structure – Understand ionic, covalent, coordinate, and metallic bonding, along with theories of chemical bonding and molecular geometry.

3.    Acids, Bases and Chemical Reactions – Study major theories of acids and bases, acid-base reactions, and important inorganic chemical processes.

4.    Coordination Chemistry – Understand coordination compounds, ligands, coordination numbers, nomenclature, and bonding in coordination complexes.

5.    Chemistry of Inorganic Elements – Study the properties, reactions, and important compounds of selected elements and their groups.

6.    Structure, Properties and Applications – Explore the relationship between the structure and properties of inorganic compounds and their important applications in science and industry.

IGNOU MCH-011 Inorganic Chemistry 1 | SOLVED ASSIGNMENT 2026-27

Note: Attempt all questions. The marks for each question are indicated against it.

Q1. In the year 2001 on what topic was the nobel prize in chemistry awarded? Who received it? Give the exact work on which it was awarded.

Q2. What causes ozone layer depletion? Give the names of the chemicals involved. What is atom economy?

Q3. What are the ways by which the structure of the target molecule to be synthesized can be manipulated?

Q4. While using transition metal catalysts, what are the precautions to be taken?

Q5. Give some methods of purification of compounds.

Q6. Give the methods by which bioavailability may be decreased.

Q7. Why the Toxicity of a chemical to animals or wildlife is an area which has to be researched?

Q8. Define acid rain. How does it differ from normal rainwater? Explain the formation of sulfuric acid in the atmosphere leading to acid rain.

Q9. Define global climate change. How does it differ from global warming? What is the role of carbon dioxide in global climate change?

Q10. Discuss the evidence supporting global climate change.

Q11. Discuss the importance of atom economy in the green synthesis of ibuprofen.

Q12. Which are the volatile organic compounds used as solvents in industries? Give suitable examples.

Q13. Discuss the principles of green chemistry and explain how microorganisms function as environmentally benign synthetic catalysts.

Q14. What are the major stages involved in marine biofouling?

Q15. What is meant by a "safe marine antifoulant"?

Q16. How the use of use of renewable feed stocks is important in Green chemistry? Explain with suitable examples.

Q17. Discuss the limitations of carbon dioxide as a blowing agent.

Q18. Give the commercial names of PET. Which monomers are used in the synthesis of PET?

Q19. Name the intermediate formed during the synthesis of polyethylene terephthalate (PET) from dimethyl terephthalate and ethylene glycol, and draw its structure.

Q20. Identify the by-product formed during the reaction of dimethyl terephthalate with ethylene glycol and explain its origin.

Frequently Asked Questions

Question 1. What is MCH-011?

Answer: MCH-011 is an IGNOU course titled Inorganic Chemistry 1. It focuses on fundamental concepts of inorganic chemistry, including atomic structure, periodic properties, chemical bonding, acids and bases, coordination chemistry, and the chemistry of inorganic elements.

Question 2. What is the course code for MCH-011?

Answer: The course code mentioned for the assignment is MCH-019.

Question 3. What is the assignment code for MCH-011?

Answer: The assignment code is MCH-011/TMA/2026-27.

Question 4. How many marks is the MCH-011 assignment worth?

Answer: The MCH-011 assignment carries a maximum of 100 marks.

Question 5. Which topics should students focus on for MCH-011?

Answer: Students should focus on Atomic Structure, Electronic Configuration, Periodic Properties, Chemical Bonding, Molecular Structure, Hybridization, Acids and Bases, Coordination Chemistry, Inorganic Elements, and the Properties and Applications of Inorganic Compounds.

Question 6. Why is MCH-011 important?

Answer: MCH-011 helps students develop a strong foundation in Inorganic Chemistry and understand the relationship between atomic structure, chemical bonding, molecular properties, and the behaviour of inorganic compounds.

Need help preparing for MCH – 011?

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