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Group 17 Elements

General introduction, electronic configuration, oxidation states, occurrence, trends in physical and chemical properties; compounds of halogens, Preparation properties and uses of chlorine and hydrochloric acid, interhalogen compounds, oxoacids of halogens (structures only)

chemistry 12th class cbse notes

Oxoacids of halogens

Fluorine due to its small size and high electronegativity forms only one oxoacid HOF (Hypofluorous acid). Other halogen forms several oxoacids as given in the...
chemistry 12th class cbse notes

Hydrogen Chloride (HCl)

Preparation of Hydrogen Chloride: It is prepared by heating sodium chloride with concentrated sulphuric acid. Properties of Hydrogen Chloride: HCl is a colourless...
chemistry 12th class cbse notes

Chlorine – Preparation, Properties and Uses

Preparation of Chlorine: Chlorine can be prepared by any of the following processes: Properties of Chlorine: It is a greenish yellow gas with...
chemistry 12th class cbse notes

Anomalous behavior of Fluorine

Fluorine is anomalous in many properties like, ionisation enthalpy, electronegativity, enthalpy of bond dissociation that are higher than expected from the regular trends among...
chemistry 12th class cbse notes

Group 17 Elements- General Properties

Fluorine, chlorine, bromine, iodine and astatine are members of Group 17. These are collectively known as the halogens (Greek halo means salt and genes...