The compound that will not form a yellow precipitate on heating with an alkaline solution of iodine is: 

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

n-Propyl alcohol and isopropyl alcohol can be distinguished by:

1. ${\mathrm{PCl}}_5$

2. Reduction

3. Oxidation with potassium dichromate

4. Ozonolysis

The reaction of ethyl formate with an excess of CH₃MgI followed by hydrolysis gives:

1. n-Propyl alcohol                 

2. Ethanol             

3. Isopropyl alcohol             

4. Propanal

Propene, CH₃-CH=CH₂ can be converted into 1-propanol by oxidation. Indicate which set of reagents amongst the following is ideal to effect the above conversion?                                       

1. KMnO₄(alkaline)

2. Osmium tetroxide (OsO₄/CH₂Cl₂)

3. B₂H₆ and alk H₂O₂

4. O₃/Zn

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 

1. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Cl}$ and NaOH

2. ${\mathrm{CH}}_2\mathrm{Cl}. {\mathrm{CH}}_2\mathrm{OH}$ and aq. ${\mathrm{NaHCO}}_3$

3. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}$ and HCl

4.  and heat