Question

Which evolves more heat when same amount of diamond and graphite are burnt in air?

Answer 1

It is diamond which liberates more heat compared to graphite, among
two allottropes of carbon.

Answer 2

Hey Dear,

● Answer -

Diamond evolves more heat when same amount of diamond and graphite are burnt in air.

◆ Explanation -

• Diamond and graphite are two allotropes of carbon.
• Diamond has 3-D tetrahedral structure while graphite have 2-D layered structure.
• As diamond have more covalent bonds in its structure, it will release more energy as compared to that by graphite.

Thanks for asking...