$\underset{{\mathrm{CH}}_2{\mathrm{Cl}}_2}{\overset{{\mathrm{Br}}_2}{\to }}$ W. Product W is:

1. 

2. 

3. 

4. 

The major product of the following reaction sequence will be

$\underset{\left(1\right)}{\overset{\mathrm{PhCOCl}/\mathrm{Pyridine}}{\to }}\underset{\left(2\right)}{\overset{C{H}_{3}COCl/AlC{l}_3}{\to }}\underset{\left(3\right)}{\overset{Zn-Hg/HCl/∆}{\to }}\underset{\left(4\right)}{\overset{B{r}_2/Fe}{\to }}$

1.
2.
3.
4.

How many moles of HI are consumed in above reaction?

1. 1

2. 2

3. 3

4. 4

Power alcohol is a mixture of petrol and alcohol in the ratio:

1. 4:1                         

2. 1:4

3. 2:1                         

4. 1:2

Fenton's reagent is:

1. H₂O + FeSO4                     

2. H₂O₂ + FeSO₄

3. H₂O₂ + ZnSO₄                   

4. NaOH + FeSO₄

The best reagent to convert pent-3-en-2-ol into pent-3-en-2-one is:

1. Acidic KMnO₄

2. aAkaline K₂Cr₂O₇

3. Chromium anhydride in glacial acetic acid

4. Pyridinium chlorochromate

Ethers are not distilled to dryness for fear of explosion. This is due to formation of:

1. oxides                             

2. alcohol

3. ketones                           

4. peroxides

Rectified spirit contains:

1. 75.0 % alcohol                           2. 85.5% alcohol

3. 95.6 % alcohol                           4. 100.0% alcohol

Which is not an alcohol?

1. CH₂=CHCH₂OH                            2. CH₂OHCH₂OH

3. C₆H₅CH₂OH                                 4. C₆H₅OH

A compound X with molecular formula C₃H₈O can be oxidised to a compound Y with the molecular formula C₃H₆O₂. X is most likely to be:

1. Primary alcohol                     

2. Secondary alcohol

3. Aldehyde                               

4. Ketone