Phenol on treatment with CO₂ in the presence of NaOH followed by acidification produces compound X as the major product. X on treatment with (CH₃CO)₂O in the presence of catalytic amount of H₂SO₄ produces:

Which of the following compounds would not react with Lucas reagent at room temperature?

• ${\mathrm{H}}_2\mathrm{C}={\mathrm{CHCH}}_2\mathrm{OH}$

• C₆H₅CH₂OH

• CH₃CH₂CH₂OH

• (CH₃)₃COH

463.

Which of the following will be dehydrated most readily in alkaline medium?

• 

• 

• 

• 

The compound that would produce a nauseating smell/ odour with a hot mixture of chloroform and ethanolic potassium hydroxide is

• PhCONH₂

• PhNHCH₃

• PhNH₂

• PhOH

Reduction of the lactol S  OH with sodium borohydride gives

The product of the above reaction is

The product of the above reaction is

In the reaction, the product P is

RMgBr + HC(OEt)₃ $\stackrel{\mathrm{Ether}, {\mathrm{H}}_3{\mathrm{O}}^{+}}{\to }$ P

• RCHO

• R₂CHOEt

• R₃CH

• RCH(OEt)₂

The correct statement regarding the following compounds is

• all three compounds are chiral

• only I and II are chiral

• I and III are diastereomers

• only I and III are chiral

When phenol is treated with D₂SO₄ /D₂O, some of the hydrogens get exchanged.The final product in this exchange reaction is