Assignments for Class 12 Chemistry

CBSE Class 12 Chemistry Chemical Kinetics Important Questions and Answers

 
ANSWER THE FOLLOWING QUESTIONS

1. Define average rate and instantaneous rate.

UNIT-7 CHEMICAL KINETICS Table

 


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CBSE Class 12 Chemistry Solid State Important Questions and Answers

I-TEXT BOOK QUESTION AND ANSWERS

1. Define unit cell.
A basic repeating structural unit of a crystalline solid is called a unit cell.
 
2. Give any three characteristics of ionic crystals.
• Ionic solids have high melting points.
• They do not conduct electricity in solid state.
• They conduct electricity in molten state (or) when dissolved in water.

 


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CBSE Class 12 Chemistry Coordination Chemistry Important Questions and Answers

Answer the following questions:
 
1. Write the IUPAC names for the following complexes.

i) Na2[Ni (EDTA )]               - Sodium 2,2’,2’’,2’’’-(ethane-1,2-diyldinitrilo)tetraacetatoNickelate(II)
ii) [Ag (CN)2]-                    -dicyanidoargentate(I) ion
iii) [Co (en)3]2(SO4)3         -tris(ethane1,2-diamine)cobalt(III)sulphate

 


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CBSE Class 12 Chemistry Transition and Inner Transition Elements Important Questions and Answers

I. Text book question and Answer:

1. What are transition metals? Give four examples
Transition metal as an element whose atom has an incomplete d sub shell or which can give rise to cations with an incomplete d sub shell. Example : Iron, Cobalt, Nickel, Copper.
 
2. Explain the oxidation states of 4d series elements.

 


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CBSE Class 12 Chemistry P Block Elements II Important Questions and Answers

I-   Text Book Question & Answer

1. What is inert pair effect?

In heavier post transition metals, the outermost electrons (ns) have a tendency to remain inert and show reductance to take part in the bonding which is known as inert pair effect.
 

 


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CBSE Class 12 Chemistry P Block Elements I Important Questions and Answers

Answer the following question:

 


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CBSE Class 12 Chemistry Metallurgy Important Questions and Answers

UNIT – 1 
METALLURGY

 
1. What is the difference between minerals and ores?
 
UNIT – 1 METALLURGY

 


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CBSE Class 12 Chemistry The p Block Elements Questions

CBSE Class 12 Chemistry The p Block Elements Questions. CBSE,CCE and NCERT students can refer to the attached file. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. The study material available on our website for all CBSE classes and subjects have been prepared by teachers from all over the country. All study material has been carefully designed keeping into mind the latest CBSE examination trends.  

 

 


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CBSE Class 12 Chemistry The p Block Elements Assignment

CBSE Class 12 Chemistry The p Block Elements Assignment. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the assignments to their children for practice.
 
LEVEL-1 QUESTIONS

 


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CBSE Class 12 Chemistry The d and f Block Elements Questions

CBSE Class 12 Chemistry The d and f Block Elements Questions. CBSE,CCE and NCERT students can refer to the attached file. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. The study material available on our website for all CBSE classes and subjects have been prepared by teachers from all over the country.

 


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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

Board Cancelled Official CBSE Statement

Keeping in view the requests received from various State Governments and the changed circumstances as on date, following has been decided- 1. Examinations for classes X and XII which were scheduled from 1st July to 15th, 2020 stand cancelled. 2. Assessment of the...

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CBSE board has issued the following clarification relating to various news reports regarding reduction in syllabus and questions from the reduced syllabus during board exams. Please read below: It has come to notice of the Board through a section of media reports that...

CBSE tele counselling for board exams

The 23rd edition of post-result counselling facility will be activated by CBSE with the help of 95 volunteer principals and trained counsellors from within affiliated schools located in and outside India. While there are 73 Counsellors in India including special...

Cogito and The Question Book A series on Thinking skills by CBSE

The Board has dedicated this academic session 2020-21 for ‘Competency Based Learning’. Skills connected to Critical & Creative thinking, Problem Solving, Collaboration and Communication are core to successful living in the 21st Century. To focus on the importance...

Training Programme on the Alternative Academic Calendar

In view of the extraordinary situation prevailing in the world due to COVID-19 pandemic, the CBSE Board had announced the ‘Revised Academic Curriculum for classes 9- 12 for the session 2020-21’. The reduced topics will not be part of the internal assessment or for the...

Board Exams Class 10 and 12 Notification by CBSE

Because of the prevailing condition of spread of COVID-19 pandemic in the country, special efforts are required for conducting examinations in a safe manner. As a number of students have shifted from the district of their school to some other district in the country,...

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