CBSE Class 12 Chemistry Assignments

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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