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Mastering Organic Chemistry (Class 12)
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Somak Chatterjee | Mar 9th, 2014 07:50pm
Mastering Chemical Kinetics (Chemistry for Class XII) Mastering Surface Chemistry (Chemistry Class XII) Mastering Solid State (Chemistry-Class XII) Mastering Solutions (Class XIIChemistry) p-Block Elements (Class XII Chemistry)
Dear students, With the chemistry exams approaching, your preparation must be at its peak. It is a general myth among the students that organic chemistry is the toughest topic to score marks in, however this is not the case. With only a few days left before the examination, the team of chemistry experts at Meritnation bring to you some really beneficial strategies to master this portion of the syllabus. Focussing on NCERT questions: The NCERT Part – II comprises of organic chemistry and contributes to 28 marks in the examination. An analysis of previous years’ question papers depicts that many questions are asked as it is from the NCERT textbooks. The table given below shows the exact question numbers of the questions in the NCERT book which have been asked in the examination. Note that, many questions are being asked repeatedly. Units
Marks 2012
2011
2010
2009
Table 10.1
Example 10.7
Ex 10.2 Example (i)10.9 10.6, (i), – 10.17 10.14 (vii)
Exercise 11.5, 11.15
11.18 (ii), 11.31 (iv)
11.20 (ii, iv), 11.18 (i, iii)
11.3 (v)
11.3 (ii), 11.21 11.22 (ii, ii, vi)
–
Example 12.5 (i, iv),Exercise 12.10,Exercise 12.12, Exercise 12.13 (i, vi)
12.13 (i, iv), 12.16 (ii, iv), 12.17 (i, ii)
Fig 12.2, 12.11, 12.13 (iii, vii), 12.12 (i, ii)
12.16 (ii), 12.19, 12.17 (iv)
12.12 (ii), 12.17 (i, x, xi), 12.16 (ii, iii)
Table 12.1, 12.13 (i)
12.16 (ii), 12.13 (vii)
13.4 (ii)
Table Ex 13.4, 13.1, 13.4 13.3 (I, 13.7 (iii, (i,ii, iii-a, iii, v) iv) iv)
13.12
13.2 (v)
14.12, 14.13
14.17, 14.22
14.12 (i), table 14.3
14.12 (i, iii), 14.10
14.12 (ii)
14.15, table14.3
15.2
15.11
15.12
15.17
15.12, 15.12, 15.16 15.15
16.15
16.21 (i)
16.15, 16.12, 16.17, 16.22 16.21 (i)
Example 10.2 (vi) Haloalkanes and Haloarenes
4
Alcohols, Phenols and Ethers
4
Aldehydes, Ketones and Carboxylic Acids
Amines
Class I
6
4
Exercise 13.7 (i and iii), Exercise 13.11 (ii, v)
Exercise 14.12 Biomolecules 4
Polymers
3
Chemistry in Everyday Life
3
–
Exercise 16.10
2008
2007
16.15
2006
–
–
So, mark these questions in the NCERT book and go through all the NCERT solutions thoroughly. For this you can also refer to the NCERT solutions section on meritnation.com IUPAC Nomenclature questions: A conclusion from previous years’ papers is that, 90% of the questions related to nomenclature of organic compounds usually come from the tables of common and IUPAC
CBSE Class 12 Chemistry Board Paper 2014 Solutions (Delhi)- NOW LIVE!!
names or in-text examples present in NCERT book. Below is a summarized chart of all the tables and intext examples meant for nomenclature. Haloalkanes and Haloarenes
Table 10.1, example 10.1 and example 10.2
Alcohols, Phenols and Ethers
Table 11.1, 11.2, example 11.1 and in-text question 11.3
Aldehydes, ketones and carboxylic acids
Table 12.1 and intext questions 12.1, Table 12.3 and in-text question 12.6
Amines
Table 13.1
Note: Do not leave even a single compound from the tables and in-text examples. Name reactions: Important name reactions which have been asked previously are Sandmeyer reaction, Williamson synthesis, Riemer-Tiemann reaction, Kolbe’s reaction, Aldol Condensation, Cannizzaro Reaction, Clemmensen Reduction reaction, Hoffmann Bromamide reaction, Coupling reaction. So,we advise you to revise these reactions. Distinction test: The distinction tests are usually asked between: Aliphatic and aromatic compounds Compounds having two different functional groups Compounds having same functional group but different arrangement of atoms (e.g., 1°, 2°, 3°) Steps for attempting these questions Step – I: See how many marks are allotted to the question. Remember, 1 mark is for 1 test. Step – II: Write the structural formulae of both the compounds. Step – III: See where the two structures differ in. Step – IV: Recall the reactions which you have studied. Step – V: Apply those reactions in the compounds keeping in mind the skeletal structure they differ in. Conversions: Conversion based questions are surely going to come in exams. Remember there can be multiple steps to reach the final product but the shortest and feasible steps have to be written in the answer-sheet. Please note CBSE has yet not asked any conversion which consist of more than 3-steps. Steps for attempting these questions Step – I: Read the question very carefully. Step – II: Write the starting compound on the left hand side and the final compound on the right hand side. Step – III: See where do the two structure differ in. (They mostly differ either in functional groups, number of carbon atoms or both) Step – IV: Recall the reactions which you have studied. Step – V: Apply those reactions in initial compound so as to reach to the final compound. Expected areas from where questions can come in 2014 Unit
Expected areas from where questions can be asked in 2014 examination
Haloalkanes and IUPAC Nomenclature, SN1 and SN2 reaction (Question: Which compound Haloarenes undergoes faster reaction?), DDT, Iodoform Alcohols, Phenols and Ethers
IUPAC Nomenclature, Conversions, Alcohols – Boiling points and solubilities, Phenols-Acidic properties, Difference in the boiling points of ethers and alcohols, Williamson reaction, Reimer-Tiemann reaction
IUPAC Nomenclature, Nucleophilic addition on carbonyl carbon, Aldol Aldehydes, Condensation, Cannizzaro reaction, Clemmensen reduction reaction, Acidity of Ketones and carboxylic acids (Question: Arrange the following compounds in increasing/ Carboxylic Acids decreasing order of their acidic trends.), Distinction tests, Conversions
Amines
IUPAC Nomenclature, Basicities of amines ( Question: Arrange the following amines in increasing/ decreasing order of their basic strengths.), Hoffmann Bromamide reaction, Coupling reaction, Aniline -Insoluble in water and does not undergo Friedel Crafts reaction
Biomolecules
Glucose open chain and cyclic structure (Question: Why was the open chain structure of glucose unable to explain its properties?), Proteins-Primary, secondary, tertiary and quarternery structures, Vitamins – Sources and deficiency disease – table 4.3, nucleosides and nucleotides
Polymers
Elastomer, thermoplastic and thermosetting polymer, Rubber, Nylon 6, nylon 6,6, teflon, bakelite, Buna-N
Chemistry in Everyday Life
Detergents, Food preservatives, Enzymes, Antifertility drugs, Analgesics, Artificial sweetening agents, biodegradable and non-biodegradable detergents
To help all you students in these last stage of preparation, we are providing Conversion Schemes Distinction Tests Named Reaction in Detail and Named Reaction List. Follow these simple but smart ways and give your 100 % in the examination. Best of Luck! Team Meritnation
Related Posts
Mastering Chemical Kinetics (Chemistry for Class XII) Mastering Surface Chemistry (Chemistry Class XII) Mastering Solid State (Chemistry-Class XII) Mastering Solutions (Class XII-Chemistry) p-Block Elements (Class XII Chemistry) CBSE Class 12 Chemistry Board Paper 2014 Solutions (Delhi)- NOW LIVE!!
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Total Comments (23)
1. sugeet verma | November 10th, 2015 at 6:09 pm Thank u meritnation team . It is really really helpful to me
2. Nived | March 11th, 2015 at 11:24 pm Just a day left to check whether the patter is being followed till now.
3. Sahil Parveez | March 4th, 2015 at 1:01 am Thank you Team – Meritnation.
4. Nouman | February 25th, 2015 at 3:28 am THANKS A TON
5. Reetik | February 24th, 2015 at 10:00 pm Nice one
6. Manisha | February 22nd, 2015 at 9:06 pm Is this topics help me in 2015 board Also….. Please reply I am just waiting……..
7. Preeti | February 20th, 2015 at 12:56 pm Thanks very much. It helped me a lot.
8. Hiti Taneja | February 19th, 2015 at 6:09 pm Thank you. it is of great help.
9. Hiti Taneja | February 19th, 2015 at 6:05 pm thank you..it is of great help.
10. Nived | January 17th, 2015 at 8:09 pm OMG, it really helps……. always worried about this subject.
11. Shiv | December 15th, 2014 at 7:42 pm Excelent material
12. Aruna | March 18th, 2014 at 7:02 pm What about 4r math?
13. Yogesh | March 11th, 2014 at 5:02 am tq…meritnation
14. swathi krishna | March 10th, 2014 at 5:33 pm good help from meritnatiom , thank u
15. shruti | March 10th, 2014 at 12:09 pm
Add Comment
is this for 2014? it’s written 2012…
16. shruti | March 10th, 2014 at 12:08 pm is this for 2014? cause it’s written 2012..
17. kunal mandil | March 9th, 2014 at 5:00 pm thnzzz it’s very helpful
18. Anubhav Verma | March 9th, 2014 at 2:48 pm Thank you meritnation experts, this is very helpful
19. Animesh | March 9th, 2014 at 6:23 am Thnx a lot meritnation for ur help
20. nitish das | March 9th, 2014 at 1:35 am is this above smart way applicable for cbse 2014 on chemistry paper all india set …
21. Deepak Saxena | March 8th, 2014 at 11:48 pm its really really very helpful
22. priyam | March 8th, 2014 at 10:15 pm Thnx
23. Anushka Das | March 8th, 2014 at 7:32 pm Thank you for your help meritnation.
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