Maharashtra Board Solutions for Chapter: Elements of Groups 16,17,and 18, Exercise 12: Exercises

Describe the structure of Ozone. Give two uses of ozone. 

Explain the trend in following atomic property of group $16$ elements.

Atomic radii

Explain the trend in following atomic property of group $16$ elements.

Ionisation enthalpy

Explain the trend in following atomic property of group $16$ elements.

Electronegativity.

 Distinguish between rhombic sulphur and monoclinic sulphur. 

Give two reactions showing oxidising property of concentrated ${\mathrm{H}}_2{\mathrm{SO}}_4$.

How is ${\mathrm{SO}}_2$ prepared in laboratory from sodium sulphite? Give two physical properties of ${\mathrm{SO}}_2$.

Describe the manufacturing of ${\mathrm{H}}_2{\mathrm{SO}}_4$ by contact process.