Formaldehyde can be distinguished from acetaldehyde by:

1. Fehling's solution                     

2. Schiff's reagent

3. Ammonia                               

4. Ammoniacal ${\mathrm{AgNO}}_3$

What is the chemical reaction of lachrymator or tear gas?

1. C₆H₅COCl                               

2. C₆H₅OC₆H₅

3. C₆H₅COCH₂Cl                         

4. C₆H₅COCH₃

HCHO and HCOOH are distinguished by treating with:

1. Tollens reagent

2. NaHCO₃

3. Fehling's Solution

4. Benedict Solution

A compound that gives two different alcohols on reduction with ${\mathrm{LiAlH}}_4$ is:

1. ${\mathrm{CH}}_3{\mathrm{COOCH}}_3$                         

2. ${\mathrm{CH}}_3{\mathrm{COOC}}_2{\mathrm{H}}_5$

3. ${\mathrm{CH}}_3{\mathrm{COCH}}_3$                           

4. ${\mathrm{CH}}_3\mathrm{CHO}$

The compound formed when malonic acid heated with urea, is-                 

1. Cinnamic acid

2. Butyric acid

3. Barbituric acid

4. Crotonic acid

An ester is boiled with KOH. The product is cooled and acidified with conc. HCl. A white crystalline acid separates. The ester is-

1. Methyl acetate                       

2. Ethyl acetate

3. Ethyl formate                         

4. Ethyl benzoate

 A and B in the following reactions are $\mathrm{R}-\underset{\mathrm{O}}{\underset{\left|\right|}{\mathrm{C}}}-\mathrm{R}\text{'}$$\underset{\mathrm{KCN}}{\overset{\mathrm{HCN}/}{\to }}$A$\stackrel{\mathrm{B}}{\to }$

1. A=${\mathrm{RR}}^{\text{'}}{\mathrm{CH}}_2\mathrm{CN}$, B=NaOH

2. A=, B=${\mathrm{CH}}_3$

3. A=, B=${\mathrm{CH}}_3$

4. A=, B=${\mathrm{LiAlH}}_4$

Consider the following transformations

CH₃COOH $\stackrel{{\mathrm{CaCO}}_3}{\to }$A$\stackrel{\mathrm{heat}}{\to }$B$\underset{\mathrm{NaOH}}{\overset{{\mathrm{I}}_2}{\to }}$C The molecular formula of C is                       

1. ${\mathrm{CH}}_3-\underset{\mathrm{I}}{\overset{\mathrm{OH}}{\underset{\left|}{\overset{\right|}{\mathrm{C}}}}}-{\mathrm{CH}}_3$

2. ${\mathrm{ICH}}_2-{\mathrm{COCH}}_3$

3. ${\mathrm{CHI}}_3$

4. ${\mathrm{CH}}_3\mathrm{I}$

Benzoic acid gives benzene on being heated with X and phenol gives benzene on being heated with Y. Therefore, X and Y are respectively                                                     

1. Sodalime and Copper

2. Zn dust and NaOH

3. Cu and sodalime

4. Sodalime and zinc dust

What is the major organic product formed from the following reaction?

1.		2.
3.		4.