Which 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

n-propyl alcohol and iso-propyl alcohol can be chemically distinguished by which reagent 

1. ${\mathrm{PCl}}_5$

2. reduction

3. oxidation with potassium dichromate

4. ozonolysis

Among the following sets of reactants which one produces anisole?                           

1. CH₃CHO, RMgX

2. C₆H₅OH, NaOH, CH₃I

3. C₆H₅OH, neutral FeCl₃

4. C₆H₅-CH₃, CH₃COCl, AlCl₃

Which one is formed when sodium phenoxide is heated with ethyl iodide?              

1. Phenetole

2. Ethyl phenyl alcohol

3. Phenol

4. None of the above

Identity Z in the sequence of reactions,                                         

CH₃CH₂CH=CH₂ $\stackrel{\mathrm{HBr}/{\mathrm{H}}_2{\mathrm{O}}_2}{\to }$Y$\stackrel{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{ONa}}{\to }$Z

(a) CH₃-(CH₂)₃-O-CH₂CH₃

(b) (CH₃)₂CH₂-O-CH₂CH₃

(c) CH₃(CH₂)₄-O-CH₃

(d) CH₃CH₂-CH(CH₃)-O-CH₂CH₃

Reaction of ethyl formate with excess of CH₃MgI followed by hydrolysis gives

1. n-propyl alcohol                 

2. ethanol             

3. isopropyl alcohol             

4.  propanal

In a reaction, 

${\mathrm{CH}}_2={\mathrm{CH}}_2\underset{\mathrm{acid}}{\overset{\mathrm{Hypochlorous}}{\to }}$M$\stackrel{\mathrm{R}}{\to }$

M=molecules, R=reagent. M and R are 

(a) ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Cl}$ and NaOH

(b) ${\mathrm{CH}}_2\mathrm{Cl}. {\mathrm{CH}}_2\mathrm{OH}$ and aq. ${\mathrm{NaHCO}}_3$

(c) ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}$ and HCl

(d)  and heat

Lucas reagent is

1. conc. HCl and anhy. ZnCl₂

2. conc. HNO₃ and anhy. ZnCl₂

3. conc. HCl and hydrous ZnCl₂

4. conc. HNO₃ and hydrous ZnCl₂

The compound which reacts fastest with Lucas reagent is (at room temperature)              

(a) butan-1-ol

(b) butan-2-ol

(c) 2-methyl propan-1-ol

(d) 2-methyl propan-2-ol

The ionisation constant of phenol is higher than that of ethanol because                

1. phenoxide ion is bulkier than ethoxide

2. phenoxide ion is stronger base than ethoxide

3. phenoxide ion is stabilised through delocalisation

4. phenoxide ion is less stable than ethoxide