A metal Salt MX used in black and white photography when exposed to sunlight, splits into metal M
and gas X2 . Which one is the correct chemical equation for above reaction-
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Answer:
Well specifically two salts which are used in black and white photography i.e AgCl and AgBr i.e Silver Chloride and Silver bromide.
Explanation:
When a sample of silver chloride is exposed to sunlight it decompses photolytically to form silver and chlorine samples seperately
Equation : 2AgCl → 2Ag + Cl2
Hope you might have got it and the above experiment or equation is thermal decomposition reaction example
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