CBSE Class 11 Chemistry Question Paper Set O Solved

CBSE Class 11 Chemistry Question Paper Set O Solved. Students can download the last year board exams question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.

1 Give any one characteristic of EM radiations.

2 Draw the structure of Diborane (B2H6), explaining the formation of “banana bond”

3 Can the oxidation number of any atom present in a molecule be zero? Give example

4 Why H2S always acts as reducing agent?

5 Give any one preparation of hydrogen peroxide.

6 Chlorophyll, the green colouring matter of plants which is responsible for photosynthesis,contains 2.68% of Mg by mass. Calculate the number of Mg atoms in 2g of chlorophyll.

7 “The effect of uncertainty principle is significant only for motion of microscopic particles and is negligible for the macroscopic particles.”

Justify the statement with the help of a suitable example.

Also state the Heisenberg`s uncertainty principle.


Hydrogen atom has only one electron, so mutual repulsion between electrons is absent. However, in multielectron atoms mutual repulsion between the electrons is significant. How does this affect the energy of an electron in the orbitals of the same principal quantum number in multielectron atoms? How is the energy order for Hydrogen different.

8 Identify and give the reason for the phenomenon shown in the adjoining figure.

CBSE Class 11 Chemistry Question Paper Set O

Also give any one of its outcomes.

Please click the link below to download pdf file of CBSE Class 11 Chemistry Question Paper Set O Solved



Click to View or Download pdf file
Click for more Chemistry Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

Conduct of the practical work during the lockdown

CBSE has advised schools to follow the Alternative Calendar developed by NCERT to continue education during the lockdown through alternative modes to achieve learning outcomes. Schools have reportedly started using these calendars and other prescribed pedagogical...

Keep your kids engaged during Lockdown

Kids are the Future of our Country! Outlines have changed and so should the formats of existence! It is the best time to teach our kids the pleasure of Self-Discipline, Self-Realization and Self-Control. To keep the future generation safe in such unpredictable...

Revised SOP preventive measures followed while conducting examinations

Revised SOP on preventive measures to be followed while conducting examinations to contain spread of COVID-19 issued by Ministry of Health & Family Welfare Examination centres are frequented by large number of students (as well as their parents) and staff till the...

Studies Today