Write any three difference between the properties of diamond and graphite.

21

Write full form of PAN.

22

What is a monomer of PVC?

24

What do you mean by Catenation nature of Carbon?

25

Write IUPAC name and structure formula of the following—

(i) C₅H₁₂ (ii) C₄H₈ (iii) C₃H₄