CBSE Class 11 Chemistry Question Paper Set O Solved

Scroll down for PDF

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.

OR

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

Tags: 


Click on the text For more study material for Chemistry please click here - Chemistry

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

Sample Papers for Class 12 Boards 2020

CBSE has released the final sample papers for the class 12 boards exams as per the new pattern as per which the question papers are expected to come in the 2020 board exams for class 12. The sample papers have been for class 12 for all subjects along with the suggested...

IBM to Set AI Curriculum for CBSE Class IX to XII

The Central Board of Secondary Education has tied up with IBM to develop a course of Artificial Intelligence in the CBSE curriculum. Now CBSE is going to introduce Artificial Intelligence as an elective subject for class 9 to 12th. The CBSE has taken this decision to...

CBSE Class 12th Board Exam 2020

CBSE Class 12th Board Exam 2020: Here are some exam preparation tips Every year the Central Board of Secondary Education (CBSE) conducts annual board exams for the students of 10th and 12th grade in February / March. Class 12th board exams play a very significant role...

CBSE will have more practicals

CBSE board has made a bigger announcement regarding 2020 board examinations for class 12. Board has decided that subjects like humanities, History, English and Hindi will also have practical exams like Chemistry, Biology, and Physics. As per, CBSE official's statement...

Sample Papers for Class 10 Boards 2020

CBSE has recently released the Class 10 Sample Papers for Board exams which are to be held in March 2020. The sample papers have been for class 10 for all subjects along with the suggested marking scheme. CBSE releases these suggested papers every year so that the...

CBSE Board Exams 2020 Attendance rules revised for Class 10 and 12 students

CBSE Board Exams 2020: Attendance rules revised for Class 10, 12 students : The Central Board of Secondary Education (CBSE) has announced new rules to deal with the cases of short attendance of students of all its affiliated schools. The board has issued a set of...

×
Studies Today