(a) What is meant by 'allotropes'? Name the various allotropes of carbon.
(b) Why does carbon form largest number of compounds?
(c) Why are some of these called saturated and other unsaturated compounds?
(d) Which of these two is more reactive? Give reason for your answer.
(e) Write the names of the following compounds:
![](https://search-static.byjusweb.com/question-images/img/study_content/content_ck_images/images/Pg207_17Q.png)