halogens

halogens - Group 7 – The Halogens F Cl Br I At •...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Group 7 – The Halogens F Cl Br I At • 100’s of free ppt’s from www.pptpoint.com library Properties of the Halogens DECREASING REACTIVITY DECREASING REACTIVITY INCREASING DENSITY INCREASING DENSITY State Yellow Gas Green Gas Br Orange Liquid I Grey/black Solid F Cl At Black Solid INCREASING MOLECULAR SIZE INCREASING MOLECULAR SIZE Colour Us e s o f th e Ha lo g e ns Fluorine Toothpaste Water treatment Extraction of Aluminium Non stick coatings Enrichment of Uranium Chlorine Bromine Iodine Water disinfection Photographic film Disinfectant Hydrochloric acid Tear gas X ray diagnosis Plastics Flame retardants Salt additive Bleaches Pharmaceuticals Halogen lamps Thyroid treatment Cancer treatment R e a c tio ns o f th e Ha lo g e ns (1 ) All o f th e h a lo g e ns will re a c t with Alkali metals to p ro d uc e ionic compounds ALKALI METAL + HALOGEN Sodium 2Na + Chlorine + Cl2 METAL HALIDE Sodium Chlor ide 2NaCl C o m p le te th e s e e q ua tio ns Lith ium + Bro m ine Lithium Bromide P o ta s s ium + Io d ine Potassium Iodide Follow the pattern to write the balanced chemical equations R e a c tio ns o f th e Ha lo g e ns (2 ) All o f th e h a lo g e ns will re a c t with Hydrogen to p ro d uc e gasas HYDROGEN + HALOGEN HYDROGEN HALIDE Hydrogen Hydrogen Chlor ide H2 + Chlorine + Cl2 2HCl C o m p le te th e s e e q ua tio ns Hy d ro g e n + Bro m ine Hydrogen Bromide Hy d ro g e n + Io d ine Hydrogen Iodide Follow the pattern to write the balanced chemical equations R e a c tio ns o f th e Ha lo g e ns (3 ) All o f th e h a lo g e ns will re a c t with water to p ro d uc e 2 acids WATER + HALOGEN Water + Chlorine ACID 1 + ACID 2 Hydrochloric + Hydrochlorus Acid H2O + Cl2 HCl Acid + HOCl T h is a ls o h a p p e ns with Bro m ine a nd Io d ine a nd th e a c id s fo rm e d a re m uc h s tro ng e r! ...
View Full Document

Page1 / 6

halogens - Group 7 – The Halogens F Cl Br I At •...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online