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Why AgCl is white, AgBr pale yellow AgI yrllow and Ag2S black?

Why AgCl is white, AgBr pale yellow


AgI yrllow and Ag2S black?

Grade:11

2 Answers

Swapnil Saxena
102 Points
9 years ago

This can be explained on the basic of ionic percentage of the following compounds.

Ionic character Percentage : AgCl>AgBr>AgI>Ag2S

It is generally seen that compounds with more than 20% ionic character are generally colorless.However below 20% shows a shift from orange frm to yellow and finally to black in these compounds with decreasing ionicity or increasing covalent nature.

Menka Malguri
39 Points
9 years ago

Calculate the energy in kilocalorie per mole of the photons of an electromagnetic radiation  of wavelength 7600 Å.

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