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Tag: class 11th organic chemistry
What is the difference between distillation, distillation under reduced pressure and steam distillation?
Class 11
Organic Chemistry Class-11
04/02/2022
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Describe the method, which can be used to separate two compounds with different solubilities in a solvent S.
Class 11
Organic Chemistry Class-11
04/02/2022
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Give a brief description of the principles of the following techniques taking an example in each case: (a) Crystallisation (b) Distillation (c) Chromatography
Class 11
Organic Chemistry Class-11
04/02/2022
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Explain the terms inductive and electromeric effects. Which electron displacement effect explain the following correct orders of acidity of the carboxylic acids?(a) Cl3CCOOH > Cl2CHCOOH > ClCH2 COOH(b) CH3CH2COOH > (CH3)2 CHCOOH > (CH3)3CCOOH
Class 11
Organic Chemistry Class-11
04/02/2022
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For the following bond cleavages, use curved-arrows to show the electron flow and classify each as homolysis or heterolysis. Identify reactive intermediate produced as free radical, carbocation and carbanion.
Class 11
Organic Chemistry Class-11
04/02/2022
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What is the relationship between the members of following pairs of structures? Are they structural or geometrical isomers or resonance contributors?
Class 11
Organic Chemistry Class-11
03/02/2022
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Classify the following reactions in one of the reaction type studied in this unit.
Class 11
Organic Chemistry Class-11
03/02/2022
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Identify the reagents shown in bold in the following equations as nucleophiles or electrophiles:
Class 11
Organic Chemistry Class-11
03/02/2022
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What are electrophiles and nucleophiles? Explain with examples.
Class 11
Organic Chemistry Class-11
03/02/2022
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Draw the resonance structures for the following compounds. Show the electron shift using curved-arrow notation. (a) C6H5OH (b) C6H5NO2 (c) CH3CH=CHCHO (d) C6H5–CHO (e) C6H5CH3.
Class 11
Organic Chemistry Class-11
03/02/2022
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Explain why alkyl groups acts as electron donors when attached to pi system?
Class 11
Organic Chemistry Class-11
02/02/2022
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Which of the two O2NCH2CH2O OR CH3CH2O is expected to be more stable and why?
Class 11
Organic Chemistry Class-11
02/02/2022
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