HSSC-II Chemistry Lectures & Assignments

SECTION_B

 

1)       Why the elements of group 1 are called alkali metals?

2)      Why do group 1. Metals show strong reducing properties?

3)     Discuss the metallic and non metallic character of group 4 elements.

4)     Why Sncl₂ is a solid while Sncl₄ is liquid?

5)     Why oxidizing power of F₂ is greater than I₂?

6)      HF is weak acid than HI. Why?

7)      Why anions are always bigger than its parental atoms?

8)     Give electronic configuration of (a).  Sc-21         (b).  Cr-24      (c).  Cu-29

9)      Define (a).  Ligand               (b).  Central metal               (c).  Coordination sphere

10)   What is difference between paramagnetic and diamagnetism.

11)     What are typical and non typical transition elements.