Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne?       

1. NaNH₂

2. HCl

3. O₂

4. Br₂

Mark the compound that, when treated with NaNH₂, forms its sodium salt:

A compound that is formed on passing chlorine through propene at 400$°$C is -

1. PVC                       

 2. Allyl chloride  

3. Nickel chloride         

4. 1,2-Dichloro ethane

In the following reaction,

Product A is-

1. 

2. 

3. 

4. 

The compound formed when acetylene is passed through dilute sulphuric acid in the presence of mercury(II) sulphate is:

1. Ether

2. Ketone

3. Acetic acid

4. Acetaldehyde

Why are acetylenic hydrogens acidic?

A compound is treated with ${\mathrm{NaNH}}_2$ to give sodium salt. Identify the compound.

1. ${\mathrm{C}}_2{\mathrm{H}}_2$ 

2. ${\mathrm{C}}_6{\mathrm{H}}_6$

3. ${\mathrm{C}}_2{\mathrm{H}}_6$ 

4. ${\mathrm{C}}_2{\mathrm{H}}_4$

Ethylene forms ethylene chlorohydrin by the action of:

1. dry chlorine gas

2. dry hydrogen chlorine gas

3. solution of chlorine gas in water

4. dilute hydrochloric acid 

Which alkene on ozonolysis gives ${}_{}$
 \(CH_3CH_2CHO\) and  \(CH_3CCH_3\\ ~~~~~~~~||\\ ~~~~~~~~O\)   

1.
2.	\(\mathrm {CH_3CH_2CH=CHCH_2CH_3}\)
3.	\(\mathrm {CH_3CH_2CH=CHCH_3}\)
4.

1. 

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

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

4.