Table of Contents
- 1 What happens when phenol is warmed with CCl4 in presence of aqueous NaOH?
- 2 What happens when phenol is treated with CCl4 and NaOH?
- 3 When phenol is heated with CCl4 in alkaline KOH it produces?
- 4 What happens when CCl4 is treated with agno3?
- 5 When CCl4 is boiled with KOH the product formed is?
- 6 When phenol is treated with chcl3 and KOH then the intermediate’s or species formed during the reaction?
- 7 What is the name of the reaction between phenol and Koh?
- 8 What happens when phenol is treated with chloroform?
What happens when phenol is warmed with CCl4 in presence of aqueous NaOH?
Reimer – Tiemann reaction of phenol with CCl4 in NaOH at 340 K gives salicylic acid as the major product.
What happens when phenol is treated with CCl4 and NaOH?
What happens when phenol is warmed with CCl4?
The reaction of phenol with carbon tetrachloride in presence of potassium hydroxide forms salicylic acid. You can call this reaction the Reimer – Tiemann reaction.
What happens when phenol is treated with aqueous NaOH followed by hydrolysis forms?
What happens when phenol is treated with chloroform in presence of NaOH at 343 K followed by hydrolysis? When phenol is treated with chloroform in presence of NaOH at 343 K, salicyaldehyde is formed. Give the equations of reaction for the preparation of phenol from cumene.
When phenol is heated with CCl4 in alkaline KOH it produces?
salicylic acid
Phenol with CCl4 and KOH gives salicylic acid.
What happens when CCl4 is treated with agno3?
Answer: Nothing will happen. Carbon tetrachloride does not ionize in the solution because it is a covalent compound. Carbon will not give Cl ions in the solution. No ion exchange between ccl4 and silver nitrate, no reaction will take place.
When phenol is treated with CHCI and NaOH the product formed?
When phenol is treated with CHCl3 and NaOH the product formed is salicylaldehyde, this reaction is known as Reimer-Tiemann reaction.
Which of the following compounds react with NaNO2 conc HCl?
Aliphatic primary amines react with NaNO2 and HCl to yield alcohols.
When CCl4 is boiled with KOH the product formed is?
Answer: ccl4 + KOH —->Co2 + Cl4 + 2H2O will be formed .
When phenol is treated with chcl3 and KOH then the intermediate’s or species formed during the reaction?
Answer: Phenols on treatment with chloroform in the presence of KOH, a –CHO group is introduced at the ortho position of the benzene ring. The substituted benzal chloride formed as intermediate on hydrolysis with alkali produces salicylaldehyde. This reaction is known as the Reimer-Tiemann Reaction.
When ccl4 is boiled with KOH the product formed is?
Is ccl4 an electrophile?
$ CC{l_4} $ is an electrophile because chlorine has vacant d orbitals and thus are attracted to an electron rich centre.
What is the name of the reaction between phenol and Koh?
Phenol with CCl4 and KOH gives salicylic acid. The reaction is known as: and K OH gives salicylic acid. The reaction is known as: and K OH gives salicylic acid. The reaction is known as Reimer – Tiemann reaction. The ortho isomer is the major product as it is stabilized by intramolecular hydrogen bonding.
What happens when phenol is treated with chloroform?
When phenol treated with chloroform in the presence of aqueous sodium hydroxide (base) at 340 K temperature followed by hydrolysis yields 2-hydroxybenzaldehyde also called as salicylaldehyde and reaction called as Reimer-Tiemann reaction. The reaction is shown below.
What is the product of the reaction of phenol and carbon?
Reaction of Phenol (C6H5OH) with CCl4 ( carbon tetrachloride) in NaOH/KOH at 34OK gives Salicylic acid as major product. Note: NaOH is taken in excess because phenoxide ion is formed first.
What is the reaction between phenol and salicylic acid?
Phenol with C C l4 and K OH gives salicylic acid. The reaction is known as Reimer – Tiemann reaction. C 6