Odisha Board Solutions for Chapter: Group 16 Elements : Oxygen Family, Exercise 1: QUESTIONS

What is the basicity of sulphuretted hydrogen? 

Give a comparative account of Group 16 elements (Oxygen family) of periodic table.

Describe any one method of preparation of ozone. Discuss its reaction with ${\mathrm{I}}_2, {\mathrm{KMnO}}_4$ and ethylene.

Give a laboratory method of preparation of ${\mathrm{SO}}_2$. How does it react with acidified ${\mathrm{KMnO}}_4$and ${\mathrm{K}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7$ solution? What is the cause of bleaching action of ${\mathrm{SO}}_2$?

How is sulphur dioxide prepared in the laboratory?

What happens when copper reacts with conc.${\mathrm{H}}_2{\mathrm{SO}}_4$

What happens when ${\mathrm{Na}}_2{\mathrm{CO}}_3$ solution is evaporated with excess of ${\mathrm{SO}}_2$.

How does ozone reacts with ${\mathrm{SnCl}}_2$ solution (acidified). Why the presence of ozone in the atmosphere is essential?