Chemistry : Alcohols, Phenols and Ethers

The main product of the following reaction is

The major product obtained on the interaction of phenol with sodium hydroxide and carbon dioxide is

• Benzoic acid

• Salicylaldehyde

• Salicylic acid

• Phthalic acid

Which of the following on heating with aqueous KOH, produces acetaldehyde?

• CH₃COCl

• CH₃CH₂Cl

• CH2Cl CH₂Cl

• CH2Cl CH₂Cl

Phenol, when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid,gives 

• 2,4,6-trinitrobenzene

• o-nitrophenol

• p-nitrophenol

• p-nitrophenol

The reaction of toluene with Cl₂ in presence of FeCl₃ gives predominantly

• benzoyl chloride

• benzyl chloride

• o-and p-chlorotoluene

• o-and p-chlorotoluene

In the following sequence of reactions, 

 compound ‘D’ is

• butanal

• n-butyl alcohol

• n-propyl alcohol

• n-propyl alcohol

Fluorobenzene (C₆H₅F) can be synthesized in the laboratory

•  by heating phenol with HF and KF

• from aniline by diazotisation followed by heating the diazonium salt with HBF₄

• by direct fluorination of benzene with F₂ gas

• by direct fluorination of benzene with F₂ gas

The structure of the compound that gives a tribromo derivative on treatment with bromine water is

• 

• CH₂ = CH₂

• 
• 

• dichloromethyl cation (C⁺HCl )

• dichlorocarbene ( :CCl₂) 

• trichloromethyl anion (C^-Cl₃ )

• trichloromethyl anion (C^-Cl₃ )