Which of the following would exhibit cis-trans isomerism?

1. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CH}={\mathrm{CH}}_2$

2. $\mathrm{ClCH}=\mathrm{CHCl}$

3. $\mathrm{ClCH}={\mathrm{CCl}}_2$

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

The following reaction, is an example of:

${\mathrm{C}}_6{\mathrm{H}}_6$ + ${\mathrm{CH}}_3\mathrm{Cl}\underset{{\mathrm{AlCl}}_3}{\overset{\mathrm{Anhydrous}}{\to }}$${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_3$ + HCl

1. Friedel-Crafts reaction

2. Kolbe's synthesis

3. Wurtz's reaction

4. Grignard synthesis

Which one of the following compounds of the formula ${\mathrm{C}}_4{\mathrm{H}}_8$ does not decolorize bromine water?

1. But-1-ene

2. But-2-ene

3. Cyclobutane

4. 2-methyl propene

How many moles of H₂ would be required to produce saturated hydrocarbon from a given compound?

1.  1

2.  4

3.  8

4.  5

Identify compounds x and y, respectively in the given reaction:

1.
2.
3.
4.

Which one of the following pairs will be produced when Mg₂C₃ and CaC₂ react with H₂O respectively? 

Which of the following alkenes, on ozonolysis, yields methanal (HCHO) as one of the products?

1.		2.
3.		4.

Matching the following: