Extraction of Metals - Result Question 76

####79. Write the balanced chemical equation for developing photographic films.

(2000)

Show Answer

Solution:

  1. The common photographic film is coated with AgBr and during developing of photographic film, the unreacted AgBr is removed by Na2S2O3 as

AgBr+2Na2S2O3Na3[Ag(S2O3)2]+NaBr



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक