Chemistry : Alcohols, Phenols and Ethers

Write the IUPAC name of the following:

How do you convert the following?

Ethanal to Propanone

How do you convert the following?

Toluene to Benzoic acid

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