AgCl is white while AgI is yellow in colour. why ?
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AgCl is white while AgI is yellow in colour.
Reason:
1.Transition in a set of compounds from ionic to covalent bonding is accompained by
---> change of colour.[From white -orange-Yellow- Black]
---->decrease in m.p and b.p
--->reduction in electrical conduction.
Ionic percenatge :AgCl>AgBr>AgI>Ag2S
2.I>Br>Cl
As size of anion increases the polarisation increases and hence colour intensity of the compound increases.
Hence AgCl forms white colour and AgI yellow colour.
Reason:
1.Transition in a set of compounds from ionic to covalent bonding is accompained by
---> change of colour.[From white -orange-Yellow- Black]
---->decrease in m.p and b.p
--->reduction in electrical conduction.
Ionic percenatge :AgCl>AgBr>AgI>Ag2S
2.I>Br>Cl
As size of anion increases the polarisation increases and hence colour intensity of the compound increases.
Hence AgCl forms white colour and AgI yellow colour.
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