Lakhmir Singh and Manjit Kaur Solutions for Chapter: Carbon And its Compounds, Exercise 8: Long Answer Type Questions

Name the functional group present in ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CHO}$. (Alcohol / Carboxylic acid / Aldehyde)

Name the functional group present in ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}$.

Name the functional group present in ${\mathrm{CH}}_3{\mathrm{COCH}}_2{\mathrm{CH}}_3$. (Amino/ Ketone/ Aldehyde)

Draw the structures for the following compounds:
(i)Ethanal   (ii)Propanal   (iii)Butanal     (iv)Pentanal
 

What happens when carbon burns in air? Write the chemical equation of the reaction which takes place.

Why are coal and petroleum called fossil fuels?

Explain how coal was formed in the earth.

Describe how petroleum was formed in the earth.