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Basics of Organic Chemistry
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Hydrocarbons
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Haloalkanes and Haloarenes
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Alcohols, Phenols and Ethers
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Aldehydes, Ketones and Carboxylic Acids
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Compounds Containing Nitrogen
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Polymers
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Chemistry in Everyday Life
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Practical Organic Chemistry
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1
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
Which of the following compounds will be suitable for Kjeldahl’s method for nitrogen estimation?
A
JEE Main 2018 (Offline) Chemistry - Practical Organic Chemistry Question 87 English Option 1
B
JEE Main 2018 (Offline) Chemistry - Practical Organic Chemistry Question 87 English Option 2
C
JEE Main 2018 (Offline) Chemistry - Practical Organic Chemistry Question 87 English Option 3
D
JEE Main 2018 (Offline) Chemistry - Practical Organic Chemistry Question 87 English Option 4
2
JEE Main 2017 (Offline)
MCQ (Single Correct Answer)
+4
-1
Sodium salt of an organic acid ‘X’ produces effervescence with conc. H2SO4. ‘X’ reacts with the acidified aqueous CaCl2 solution to give a white precipitate which decolourises acidic solution of KMnO4. ‘X’ is :
A
CH3COONa
B
Na2C2O4
C
C6H5COONa
D
HCOONa
3
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Sodium extract is heated with concentrated HNO3 before testing for halogens because :
A
Silver halides are totally insoluble in nitric acid.
B
Ag2S and AgCN are soluble in acidic medium.
C
S2− and CN−, if present, are decomposed by conc. HNO3 and hence do not interfere in the test.
D
Ag reacts faster with halides in acidic medium.
4
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
Which of the following reagents may be used to distinguish between phenol and benzoic acid ?
A
Tollen’s reagent
B
Molisch reagent
C
Neutral FeCl3
D
Aqueous NaOH
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