Question

Write a chemistry experiment related to the topic 'chemical bonding' which will include the following-Materials required, procedure and Science involved.

Answer 1

Aim: Difference in strength of bonds in different substances.

Materials required: Spatula, bunsen burner, Sodium Chloride and Paper.

Science involved: The strength of bond depends on various factors. Here we test the strength of bond to tolerate heat. If the substance is not responding to heat, it has stronger bond in this situation.

Procedure:
- Take Sodium Chloride in a spatula and introduce to flame.
-Heat for 10 min and observe.
-Similarly take pieces of paper in spatula and heat.
-Observe both and write the conclusion.

Observation: You observe that sodium chloride remain unchanged, but paper burns into soot and carbon dioxide.

Conclusion: It shows that sodium chloride has ionic bonds that are very strong and cannot be broken by heating at normal flame but paper has covalent bonds which break on the effect of heat.