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Iodine shows deep violet why

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Iodine shows deep violet why

Posted by Dgf Chd 4 years ago

CBSE > Class 12 > Chemistry

1 answers

Yogita Ingle 4 years ago

Halogens are coloured because of their low ionisation energy.

As a result, the electrons get excited in the visible region of light.

The remaining light falls in the visible region and halogens appear to be coloured.

For example: Fluorine absorbs wavelengths corresponding to violet light and the remaining light appears to be yellow. Thus, fluorine has a yellow colour. Similarly, chlorine is greenish yellow, bromine reddish and iodine is a violet solid.

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