Classify and tabulate the following compounds into alkanes, alkenes and alkynes

${\mathrm{C}}_5{\mathrm{H}}_{10}, {\mathrm{C}}_6{\mathrm{H}}_{10}, {\mathrm{C}}_2{\mathrm{H}}_4, {\mathrm{C}}_5{\mathrm{H}}_{12}, {\mathrm{C}}_6{\mathrm{H}}_{12}, {\mathrm{C}}_7{\mathrm{H}}_{12}, {\mathrm{C}}_{10}{\mathrm{H}}_{22}, {\mathrm{C}}_4{\mathrm{H}}_{10}, {\mathrm{C}}_4{\mathrm{H}}_8, {\mathrm{C}}_4{\mathrm{H}}_6$

Can you write the structural formula of the compound ${\mathrm{C}}_2{\mathrm{H}}_4?$

Which is the IUPAC name of the compound 

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

Choose the correct one

a. Pent-3-ene

b. Pent-2-ene

How many hydrocarbons can be written by changing the position of triple bond in this compound? Try to write their IUPAC names also.

(i) Write its molecular formula.

(ii) Write the molecular formula.

(iii) What is the difference between the two?

(iv) Then try to write the IUPAC name of the second compound.

Complete the table

See the two compounds given below

(i) What are the similarities between these two compounds?

(ii) Molecular formula

(iii) Functional group

(iv) What is the difference between them