Alcohols, Phenols and Ethers

Select the ether among following that yields methanol as one the products on reaction with cold hydroiodic acid

• 1-methoxybutane

• 1-methoxybutane-2-methylpropane

• 2-methoxy-2-methylpropane

• methoxybenzene

Arrange the following compounds in order of decreasing acidity

• II>IV>I>III

• I>II>III>IV

• III>I>II>IV

• III>I>II>IV

A solution of (–) –1 – chloro –1 – phenylethane is toluene racemises slowly in the presence of a small amount of SbCl₅, due to the formation of

• carbanion

• Carbene

• Carbocation

• Carbocation

Iodoform can be prepared from all except

• ethyl methyl ketone

• isopropyl alcohol

• 3-methyl-2-butanone

• 3-methyl-2-butanone

Phenol is heated with a solution of a mixture of KBr and KBrO₃.The major product obtained in the above reaction is

• 2-Bromophenol

• 3-Bromophenol

• 4-Bromophenol

• 4-Bromophenol

Which of the following reagents may be used to distinguish between phenol and benzoic acid ?

• Aqueous NaOH

• Tollen's reagent

• Molisch reagent

• Molisch reagent

From amongst the following alcohols the one that would react fastest with conc. HCl and anhydrous ZnCl₂, is

• 1-Butanol

• 2-Butanol

• 2-Methylpropan-2-ol

• 2-Methylpropan-2-ol

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