Alcohols, Phenols and Ethers

In the following reactions, (i) CH3- CH3 |CH- OH |CH-CH3 H+/heat (Major product)A + (Minor product)B (ii) A [in absence of peroxide]HBr, dark (Major product)C + (Minor product)D the major products (A) and (C) are respectively

1. CH2= CH3 |C-CH2-CH3 and Br |CH2- CH3 |CH-CH2-CH3
2. CH3- CH3 |C=CH-CH3 and CH3- Br | CH3 |C-CH2-CH3
3. CH2= CH3 |C-CH2-CH3 and CH3- Br | CH3 |C-CH2-CH3
4. CH3- CH3 |C=CH-CH3 and CH3- CH3 |CH- Br |CH-CH3

When glycerol is treated with excess of HI, it produces

1. 2-iodopropane
2. allyl iodide
3. propene
4. glycerol triiodide

Given are cyclohexanol (I), acetic acid (II), 2, 4, 6-trinitrophenol (III) and phenol (IV). In these the order of decreasing acidic character will be

1. III > II > IV > I
2. II > III > I > IV
3. II > III > IV > I
4. III > IV > II > I

Among the following four compounds (i) Phenol (ii) Methyl phenol (iii) Meta-nitrophenol (iv) Para-nitrophenol The acidity order is

1. (iv) > (iii) > (i) > (ii)
2. (iii) > (iv) > (i) > (ii)
3. (i) > (iv) > (iii) > (ii)
4. (ii) > (i) > (iii) > (iv)

Which of the following compounds has the most acidic nature?

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

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