$\stackrel{\mathrm{H}}{\stackrel{|}{{\mathrm{CH}}_2}}-\stackrel{\mathrm{Cl}}{\stackrel{|}{{\mathrm{CH}}_2}}\underset{\mathrm{alc}.}{\overset{\mathrm{NaOH}}{\to }}{\mathrm{CH}}_2={\mathrm{CH}}_2$

The most probable mechanism for this reaction is-

1. E₁                                         

2. E₂

3. $E{1}_{CB}$                                     

4. $\alpha$ elimination

Which of the following compounds will react with ammoniacal silver nitrate AgNO₃​?

1.
2.
3.
4.

The number of isomeric sodium salt that will be required to obtain neopentane is: 

1. 3                                                   

2. 1

3. 4                                                   

4. 6

Propadiene, $C_3{H}_4$ molecule contains:

1. Two $s{p}^2$and one sp hybrid carbon atom

2. One $s{p}^2$ and two sp hybrid carbon atoms

3. One $s{p}^2$ and three sp hybrid carbon atoms

4. None of the above.

In Wurtz reaction, if we take $C{H}_{3}Cl \& C_2{H}_{5}Cl$ then the product, will be:

1. Propane + Ethane                                                 

2. Propane

3. Propane + Ethane + Butane                                

4. Propane + Butane

Which compound is expected to decolorize a cold, basic KMnO_4​ solution?

1. CH₃– CH₃                                              

2.  CH₃CH₂CH₃

3. $({\mathrm{CH}}_3{)}_4\mathrm{C}$                                                   

4. ${\mathrm{CH}}_3\mathrm{CH}$ $=$ ${\mathrm{CHCH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_3$

Sabatier Senderen’s reaction is an example of-

1. Non thermic reaction                                

2. Exothermic reaction

3. Endothermic reaction                                

4. None of the above

The type of reaction and intermediate of decarboxylation reaction are.-

(1)                                                 

(2) 

(3)                                                  

(4) 

Which of the following compounds has the highest melting point?

1. ${\mathrm{C}}_4{\mathrm{H}}_{10}$ $$ $$                                 

2. ${\mathrm{C}}_5{\mathrm{H}}_{12}$

3. ${\mathrm{C}}_6{\mathrm{H}}_{14}$ $$                                  

4. ${\mathrm{C}}_7{\mathrm{H}}_{16}$

Reaction of alkene and peracid gives oxirane. This reaction is named as-

1. Peroxidation                                   

2. Oxidation

3. epoxydation                                   

4. None