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Absorption of visible light. Colorimetry

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Subject

Chemistry

Level

A level

Resource type

Whiteboard presentation

Teaching type

Multimedia lesson

Description At the end of this activity, students should be able to:
– explain how the absorption of light produces colour
– explain the origin of the colours of the inorganic compounds of s, p and d–block metals, as well as of organic compounds
– describe how absorption spectra are recorded
– explain the concept of colorimetry
– define and use the Beer–Lambert law.
Partner resource
Absorption of visible light. Colorimetry [Class activity]
Consists of...
The visible light spectrum [Illustration]
Colour [Animation]
What is colour? [Animation]
Absorption of the photon energy [Animation]
Ionic compounds of s- and p-block metals are generally colourless [Animation]
Some solid compounds of s- and p-block metals are coloured [Animation]
Colours of metal compounds: s- and p-block elements [Whiteboard exercise]
Pigments used by old masters [Slideshow]
Coloured compounds of transition metals [Slideshow]
Absorption of light by transition metal ions [Animation]
Colourless transition metal ions [Animation]
Charge transfer absorption of transition metals at high oxidation state [Animation]
Colours of metal compounds: d-block elements [Whiteboard exercise]
Absorption spectrum of Co(II) ions [Illustration]
UV/visible spectrophotometer [Animation]
Coloured organic compounds [Animation]
?-carotene [Slideshow]
Chlorophyll [Slideshow]
Absorption spectrum of Ti(III) ions [Illustration]
Beer–Lambert law [Animation]
Factors affecting the absorption of light [Animation]
Colorimetric measurements [Slideshow]
Uses of UV/visible spectrometry: colorimetry [Illustration]
Absorption spectrum of Co(II) ions [Whiteboard exercise]
Methyl orange [Slideshow]
Relevant to...
Copyright YDP SA
Keywords

periodic, table, metal, compound, spectra, light, absorption, colour, UV, visible, block, colorimetry, light., absorption of visible light. colorimetry

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This resource belongs to the following Packs:

Chemistry – A Level

 Chemistry – A Level
One year Licence
till 08/02/2013
349 GBP (excl. VAT)

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