CBSE Class 10 Answered
a light sensitive compound 'x' of silver is used in black and white photography on exposure to sunlight its colour changes to grey.
(a) identify 'x'.
(b) write a chemical equation to express the above change
Asked by | 12 Aug, 2012, 10:30: AM
Expert Answer
a. X is silver bromide.
b. 2AgBr(s) ---(sunlight)----> 2Ag(s) + Br2(g)
c. Its photolytic decomposition reaction.
Answered by | 13 Aug, 2012, 09:14: AM
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