Class 12 MCQs For Chemistry Free PDF

MCQs For Chemistry  Class 12th

Are You looking for the Class 12 Fsc MCQs For Chemistry?

Then you have come to the right place. The best part? You can download it as well as you can also use it for the preparation of MDCAT, NUMS and Punjab Boards.

Download Also: Class 12th Chemistry Notes

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Chapter Wise Class 12th MCQs For Chemistry

Without Wasting Your Time. Here You Will Get What You Want. So Let’s Get Started. 

Chapter 1-Periodic Classification Of Elements And Periodicity

1. Why ionic radii of negative ions are larger than parent atoms?  
 2. What are alkali metals? Give names of alkali metals. 
 3. What do you know about period 6 of the periodic table. 
 4. Why Na+ ion is smaller than Na atom? 
 5. Define the Periodic table. How many groups and periods are in it?
 6. Give two defects of Mendeleev’s periodic table. 

Chapter 2-S-Block Elements

1. Give chemical formulae of mica and bauxite.
2. Give chemical formulae of kaolin and Feldspar.
3. Give two differences between lithium and other alkali metals. 
4. Differentiate between alkali and alkaline earth metals. Give one example in each case. 
5. Why is the aqueous solution of Na2CO3 alkaline in nature? 

Chapter 3-Group III A and Group IVA Elements

How does orthoboric acid react with; 
 a. Sodium hydroxide
 b. Ethyl alcohol 
2. How does boric acid react with 
     (a) Ethyl alcohol   (b) sodium carbonate. 
 3. Write the formulas of borax and colemanite.  
 4. How would you prepare borax from Colemanite? 
 5. What is boric acid? Give its uses. 

Chapter 4-Group VA and Group VIA Elements 

1. Write a note on the manufacture of Nitric acid through Birkland and Eyde’s Process. 
2. How does Nitric acid react with Cu, Zn, Mg and Sn? 2021 
3. Give suitable examples to explain that sulphuric acid is good acid, oxidizing agent and dehydrating agent. 
4. Why do the elements of VIA other than oxygen show more than two oxidation states? 
5. How does oxygen resemble sulphur? OR Differentiate between oxygen and sulphur. OR Compare oxygen with sulphur. 
6. Explain the contact process for the manufacture of sulphuric acid.

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Chapter 5-The Halogens And The Noble Gases

1. Write any two uses of bleaching powder. 
 2. What is the structural formula of Teflon? Mention its two uses
3. The elements of group VIIIA are called Nobel gases. Comment.
 4. How are halogen acids ionized in water? 
 5. Arrange the following oxy acids in the increasing order of acid strength. HClO4, HClO3, HClO2, HOCl 

1. What is Corrosion? How is a metal protected from Corrosion? 
 2. Define corrosion. Explain the electrochemical theory of corrosion. 
 3. Explain Bessemer’s process for the formation of steel. 
 4. Explain the following terms by giving examples.
 a. Ligands 
b. Coordination number 
c. Chelates 
d. Coordination sphere 
5. Explain the following properties of transition elements.
 a. Colour b. Chelates formation 
6. How does the electronic configuration of the valence shell affect the following properties of transition elements.
 a. Paramagnetism b. Oxidation states 

Chapter 7-Fundamental Principles of Organic Chemistry

1. Define organic compound. Give any three features of organic compounds.
2. Write a note on the classification of organic compounds. 
3. Differentiate between homocyclic and heterocyclic compounds with two examples in each case. 
 4. What do you know about the Cracking of petroleum? 
 5. Define cracking and give its types. 

1. How can the following conversions be carried out.
a. Ethane to Methane b. Methane to ethane
 2. How would you prepare alkane from carbonyl compounds?
 3. Give one method of preparation for each of Ethane, Ethene and Ethyne. 
4. Explain the acidic nature of alkynes with at least two examples. 
 5. Convert (i) acetic acid into methane (ii) 1-Propanol to 1-Chloro-2-propanol. 
1. Draw structural formulae of the following compounds: 
 i. m-Chlorobenzoic acid ii. 2,4,6-Trnitrotoluene 
iii. P-Dibenzylbenzene iv. P-Nitroaniline 
2. Discuss atomic orbital treatment to explain the structure of benzene. 
 3. Write three methods of preparation of benzene.
 4. What is meant by orientation in Benzene? Why certain substituents are ortho-para directive and others meta-directive? Give one example of each.
 5. Describe the structure of Benzene on the basis of the resonance method.

1. Define β-Elimination reactions. Discuss in detail E1 reaction.
2. What are β-Elimination reactions. Differentiate between E1 and E2 reactions.
3. Prepare Ethyl chloride from alcohols by using three different reagents.
 4. Convert ethyl bromide into:
 a. Ethane b. Propane c. Ethyl alcohol d. n-Butane 
5. Give all methods of preparation of alkyl halides. 

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Chapter11-Alcohols, Phenols And Ethers

1. Write industrial preparation of Methanol. 
 2. Write the two reactions of alcohols in which O-H bond breaks.
 3. Discuss the acidic behaviour of phenol. 
 4. How can ethers be prepared by Williamson synthesis and from Ag2O? 
 5. Write two methods of preparation of Phenol. How does Phenol react with: 
 a. Conc. HNO3 b. Bromine Water 

Chapter 12-Aldehydes and Ketones

Write a note on the oxidation of aldehydes and ketones? 
 2. What types of aldehydes give Cannizzaro’s reaction? Give its mechanism. 
 3. Discuss the reaction of Ethanal and Propanone with 
a. Hydroxyl amine b. Phenyl hydrazine 
 4. Distinguish:  
 a. Acetaldehyde and propanone b. Formaldehyde and acetaldehyde 
5. Discuss the Haloform reaction with one example.

1. Why first four members of aliphatic carboxylic acids are soluble in water? 
 2. What are fatty acids? How acid chlorides are made by them? 
 3. How carboxylic acid can be obtained from alkene? 
4. Why do mostly carboxylic acids exist as dimers? 
 5. Differentiate between acidic and basic amino acids. 
 6. Write structural formulae of Phthalic acid and Malonic acid.
1. How is Polyvinyl chloride (PVC) prepared and give its uses? 
 2. What is the function of DNA and RNA? 
3. How is Nylon-6,6 prepared? 
4. Define enzymes. Write their two properties.
 5. Discuss the Saponification number. 
 6. Discuss the Saponification number and give an example. 

Chapter 15-Common Chemical Industries in Pakistan

To Download 12 Class Chemistry Notes for Chapter 15 Common Chemical Industries In Pakistan Click On The Following Links.

Chapter 16-Common Chemical Industries in Pakistan

1. How water is disinfected by Chlorine? Write down the harmful effects of chlorination of water.
2. What will happen when the concentration of ozone will decrease? 
 3. Explain the process of incineration of industrial wastes.
4. What is acid rain? How does it affect our environment? 
5. Write methods for the purification of water. Explain the process of disinfection of water with chlorine. 
6. Discuss the term acid rain along with its effect on the environment. 

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MCQs For Chemistry Class 12th Free PDF

You can also download the Second Year MCQs For Chemistry In One PDF file . These MCQs For Chemistry are very important from a paper point of view.
These MCQs consist of board past papers which will help you to get good marks in board exams.

Download 12 MCQs For Chemistry

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