Interhalogens pseudohalogens

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1. PRESENTATION GROUP MEMBERS Ayesha Arshad Khadija Akram Adsa Khalid Maryam Sarfraz Sana Naseem 1

2. TOPICS INTERHALOGENS PSEUDOHALOGENS 2

3. InterHalogens : “ Halogen combine with other halogen atom to form binary covalent compounds called Interhalogens “ 3

4. Features of INTERHALOGENS : They are most Electronegative AB type compounds ( AB,AB3,AB5, AB7) are present. A is less Electronegative than B A never F because ( F have high electronegative value and never show +ve oxidation state ) Central Atom has large Atomic Number If Greater Electronegativity Difference Than greater will be the No of bonds formed 4

5. Types : There are four types of Interhalogens which are : 1 AB type Interhalogens 2 AB3 type Interhalogens 3 AB5 type Interhalogens 4 AB7 type Interhalogens 5

6. AB type : Example : ICL is the example of AB type Interhalogens. Preparation : It is prepared by adding Iodine to liquid Chlorine and keeping the mixture at 30 to 35 temperatures for 24 hours I2 + Cl2 2ICL 6

7. AB type : 7

8. Properties and Structure : 8

9. AB3 Type Interhalogen : 9

10. Properties of AB3 : 10

11. Structure of AB3 ( ICI3 ) : 11

12. AB5 Type : 12

13. Structure of AB5 ( IF5 ) : 13

14. AB7 Type : 14

15. Structure of AB7(IF7): 15

16. Pseudo halogens : 16

17. Preparation of Pseudo Halogens : 17

18. PROPERTIES: Similarities Between Pseudo halogen And Halogens: Both react with Alkalis. Both form Dimer Compounds. Both shows properties of Addition compounds. Both form complex with Transition metals. 18

19. THANKU ANY QUESTION? 19