CBSE Class 11 Chemistry Sample Paper Set L

CBSE Class 11 Chemistry Sample Paper Set L.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. 

1. How many oxygen atoms are present in 96 g of ozone?

2. Write the IUPAC name and symbol of the element with atomic no. 109 and 113.

3. Which of the following has greater polarising power : Fe³⁺ or Fe²⁺?

4. Among the alkali meals, which element do you expect to be least electronegative?

5. A system does 200 j of work and at the same time absorbs 150 j of heat. What is the change in internal energy? 

6. A chemist wishes to prepare 6.022×10²⁴ molecules of sulphur dioxide. How many gram atoms of sulphur does he need?

7. Table tennis ball has a mass of 10g and a speed of 90m/s. If speed can be measured within an accuracy of 4%, what will be the uncertainty in speed and position?

8. What is the significance of the term –“isolated gaseous atom” and “ground state” while defining ionisation enthalpy and electron gain enthalpy?

9. Define viscosity. Derive a relationship for co-efficient of viscosity with SI units.

10. What is Boyle’s point? When Z<1, for a gas, what does it signify? 

11. 1.0 g of Mg is burnt in a closed vessel which contains 0.5g of O₂. Which is the limiting reactant? What is the amount of MgO formed in the reaction?

12. Derive a relationship between wave and particle nature based on de- Broglie theory. (All parameters to be defined) Justify that the angular momentum is quantized.

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