The most suitable reagent for the following conversion is-

1.	Hg2+/ H+, H2O	2.	Na/liquid NH3
3.	H2, Pd/C, quinoline	4.	Zn/HCl

The reaction among the following that proceeds through an electrophilic substitution reaction is:

1.
2.
3.
4.

An alkene "A" on reaction with ${\mathrm{O}}_3$ and $\mathrm{Zn}-{\mathrm{H}}_2\mathrm{O}$ gives propanone and ethanal in equimolar ratio. The addition of HCl to alkene "A" gives "B" as the major product. The structure of product "B" is:

1.		2.
3.		4.

Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by:
1. Oxidation
2. Cracking
3. Distillation under reduced pressure
4. Hydrolysis

The molecule among the following that has the hybridization ${\mathrm{sp}}^2,\hspace{0.17em}{\mathrm{sp}}^2,\hspace{0.17em}\mathrm{sp},\; and\hspace{0.17em}\mathrm{sp}$ from left to right atoms is:

1. $\mathrm{HC}\equiv \mathrm{C}-\mathrm{C}\equiv \mathrm{H}$

2. ${\mathrm{CH}}_2=\mathrm{CH}-\mathrm{C}\equiv \mathrm{CH}$

3. ${\mathrm{CH}}_2=\mathrm{CH}-\mathrm{CH}={\mathrm{CH}}_2$ 

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

 
P, Q and R in the above-mentioned sequence of reactions are respectively:

1.
2.
3.
4.

The alkane that gives only one monochloro product on chlorination with \(\text{Cl}_2\) in presence of diffused sunlight is-

In the following reaction,

\(\mathrm{ CH_{3}C\equiv CH\xrightarrow[Red \ hot \ iron \ tube]{873 K} \ A}\)

The number of ($\sigma$) bonds present in the product (A) is:

The most reactive compound among the following towards electrophilic substitution reaction is:

1.		2.
3.		4.

Mg₂C₃ and CaC₂ react with H₂O to produce respectively: