CBSE Class 11 Chemistry Sample Paper Set 12

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Class 11 Chemistry Solved Model Papers: CBSE Class 11 Chemistry Sample Paper Set 12

Access comprehensive sample question papers for Class 11 Chemistry using the CBSE Class 11 Chemistry Sample Paper Set 12. Designed to align with the 2026-27 CBSE academic guidelines, these model papers help students assess their exam readiness and understand current marking schemes.

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CBSE Class 11 Chemistry Sample Paper Set 12.Sample Papers are the very important for every student. The sample papers should be practiced to gain extra marks in examinations.The sample papers have been prepared based on pattern of last year examinations and as per latest changes in the syllabus. Students, teachers and parents can download all CBSE educational material and very well prepared worksheets from this website.  All CBSE educational material is developed by our panel of teachers, have also been submitted by CBSE teachers and students. 
 

CODE-A

Q.1. Arrange the following molecules in order of increasing covalent character LiCl, LiF, LiBr ,LiI

Q.2. What is the compressibility factor for an ideal gas?

Q.3. Predict the position of the element in the periodic table having electronic configuration (n-1) d3ns2 for n = 5

Q.4. Give any two differences between electron gain enthalpy and electron negativity.

Q.5. Which of the following will have most negative electron gain enthalpy P , S , Cl , F?

Q.6. Write all the quantum numbers for the 21st electron of Scandium ( Z= 21)

Q.7. How many unpaired electrons are present in Cr ( Z= 24)

Q.8. Name any two green house gases.

Q.9. Calculate the number of Cl- ions in 100 ml of 0.001M HCl solution.

Q.10. a) How are 0.50 m Na2CO3 and 0.5 M Na2CO3 different?

b) Write the electronic configuration of Cu2+ ( Z = 29 )

Q.11. a) How many electrons in a given atom can have the following quantum number n = 3,l=1

b) Calculate the mass of one atom of silver ( Z = 108 )

Q.12. a) Write a short note on green house effect?

b) What is the cause of ozone depletion state any two harmful effects of ozone depletion?

Q.13. a) Define Law of multiple proportion

b) What is the number of molecules present in 18mg of water?

Q.14. a) List any two properties of Lithium in which it resembles magnesium. What is this relationship called?

b) State any two reasons for anomalous behaviour of second period elements

Q.15. a) What is smog?

b) State any two harmful effects of smog?

Q.16. Give reasons for the following:

a) Ionisation enthalpy of Be is higher than B

b) Size of cation is smaller than that of the neutral atom

Q.17. a) What are transition elements? State any two characteristics of these elements.

b) State any merits of Mendeleev periodic table

Q.18. a) What are isoelectronic ions?

b) Arrange the following in order of decreasing size O2- , Mg2+ , F- , Na+

Q.19. A,B,C are three elements B is an inert gas other than helium. Complete the following table and answer the questions:

 

 

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Exam Preparation Sample Paper for Class 11 Chemistry CBSE Class 11 Chemistry Sample Paper Set 12

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Explore downloadable sample sets for Class 11 Chemistry. Utilizing the CBSE Class 11 Chemistry Sample Paper Set 12 allows learners to gauge exam readiness and master official CBSE assessment structures.

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How to Analyze Your Performance in CBSE Class 11 Chemistry Sample Paper Set 12

  1. Verify Answers: Compare your responses against professional teacher solutions provided in the sample paper keys.
  2. Error Analysis: Class 11 learners must review incorrect answers carefully to understand underlying mistakes.
  3. Concept Reinforcement: Consult the official NCERT book for Class 11 Chemistry when stuck before re-attempting problems.

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