P-block elements:imp questions : class12th

 p-block elements (15Marks)

Q1.Discuss the general characteristics of Group 15 elements with reference to their electronic configuration, oxidation state, atomic size, ionisation enthalpy

and electronegativity. (5M)

Q2. Why does NH3 form hydrogen bond but PH3 does not?                                   (1M)

Q3. Give the resonating structures of NO2 and N2O5.

                                            (2M)

Q4. How is ammonia manufactured industrially?

Explain with experimental diagram.                           (3M)

Q5. Why does the reactivity of nitrogen differ from phosphorus?                   (2M)

Q6. Why does nitrogen show catenation properties less than phosphorus?          (2M)