Q1ChemistryUnit 17: Organic Compounds Containing Oxygen
Benzene is converted to benzene
sulfonate using sulphuric acid and eventually through the
benzene sulfonate is gradually transformed to phenol
Chemistry · JEE
Phenols: Acidic nature, electrophilic substitution reactions, halogenation, nitration and sulphonation, Reimer Tiemann reaction Short Tricks for JEE
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Syllabus context
Part of Organic Compounds Containing Oxygen in JEE Main Chemistry.
- General methods of preparation, properties, reactions and uses of Alcohols, Phenols and Ethers
- Alcohols: Identification of primary, secondary and tertiary alcohols, mechanism of dehydration
- Phenols: Acidic nature, electrophilic substitution reactions, halogenation, nitration and sulphonation, Reimer Tiemann reaction
- Ethers: Structure
- Aldehyde and Ketones: Nature of carbonyl group, nucleophilic addition to >C=O group, relative reactivities of aldehydes and ketones
- Important reactions such as Nucleophilic addition reactions (addition of HCN, NH3 and its derivatives), Grignard reagent, oxidation, reduction (Wolf Kishner and Clemmensen), the acidity of alpha-hydrogen
- Aldol condensation, Cannizzaro reaction, Haloform reaction, chemical tests to distinguish between aldehydes and ketones
- Carboxylic Acids: Acidic strength and factors affecting it
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Q2ChemistryUnit 17: Organic Compounds Containing Oxygen
Assertion: o-phenol sulphonic acid on heating at changes to
phenol sulphonic acid. Reason: Sulphonation of phenol is a reversible process.
Q3ChemistryUnit 17: Organic Compounds Containing Oxygen
1\% Phenol is used as
Q4ChemistryUnit 17: Organic Compounds Containing Oxygen
The correct order of decreasing acidity
of nitrophenols will be:
Q5ChemistryUnit 17: Organic Compounds Containing Oxygen
Which of the following is true regarding acidity of phenol?
Q6ChemistryUnit 17: Organic Compounds Containing Oxygen
Butylated hydroxy toluene as a food
additive acts as :
Q7ChemistryUnit 17: Organic Compounds Containing Oxygen
Phenol is less acidic than:
Q8ChemistryUnit 17: Organic Compounds Containing Oxygen
Beautiful, lake colours are formed by dyes with mordants, which paste the dye to the cloth or fabric. Which of the
following is a mordar used in dying?
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Popular questions in Phenols: Acidic nature, electrophilic substitution reactions, halogenation, nitration and sulphonation, Reimer Tiemann reaction
- Phenol is less acidic than:…
- Assertion Ethanol is a weaker acid than phenol Reason Sodium ethoxide may be prepared by the reaction of ethanol with a…
- Which of the following is true regarding acidity of phenol?…
- Phenol \( \frac{1 . C H C l_{3} / N a O H}{2 . H^{+}} \) Salicyl aldehyde The above reaction is known as:…
- Phenol is less acidic than:…
- Which of the following is true regarding acidity of phenol?…
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