Alcohols, Phenols and Ethers · Question 39

Consider the following reaction : Phenol Zn dust X [Anhyd. AlCl3]CH3Cl Y Alkaline KMnO4 Z the product Z is

1. benzaldehyde
2. benzoic acid
3. benzene
4. toluene

HOCH2CH2OH on heating with periodic acid gives

1. 2HCOOH
2. [figure]
3. [figure]
4. 2CO2

Consider the following reaction : Ethanol PBr3 X alc. KOH Y [(ii) H2O, heat](i) H2SO4, room temperature Z the product Z is

1. CH3CH2-O-CH2-CH3
2. CH3-CH2-O-SO3H
3. CH3CH2OH
4. CH2=CH2

In the reaction : CH3- CH3 |CH-CH2-O-CH2-CH3 + HI heated Which of the following compounds will be formed?

1. CH3- CH3 |CH-CH3 + CH3CH2OH
2. CH3- CH3 |CH-CH2OH + CH3CH3
3. CH3- CH3 |CH-CH2OH + CH3CH2I
4. CH3- CH3 |CH-CH2-I + CH3CH2OH

Ethylene oxide when treated with Grignard reagent yields

1. primary alcohol
2. secondary alcohol
3. tertiary alcohol
4. cyclopropyl alcohol

The major organic product in the reaction is CH3-O-CH(CH3)2 + HI products

1. CH3I + (CH3)2CHOH
2. CH3OH + (CH3)2CHI
3. ICH2OCH(CH3)2
4. CH3O I |C(CH3)2

Which one of the following compounds is most acidic?

1. Cl-CH2-CH2-OH
2. [figure]
3. [figure]
4. [figure]

The -OH group of an alcohol or the -COOH group of a carboxylic acid can be replaced by -Cl using

1. phosphorus pentachloride
2. hypochlorous acid
3. chlorine
4. hydrochloric acid

Which one of the following will not form a yellow precipitate on heating with an alkaline solution of iodine?

1. CH3CH(OH)CH3
2. CH3CH2CH(OH)CH3
3. CH3OH
4. CH3CH2OH

Which one of the following can be oxidised to the corresponding carbonyl compound?

1. 2-Hydroxypropane
2. ortho-Nitrophenol
3. Phenol
4. 2-Methyl-2-hydroxypropane