Silver Bromide Photodecomposition

2AgBr → 2Ag + Br2

अवलोकन

Silver bromide is more photosensitive than silver chloride and was the primary photosensitive material in photographic film. Blue and UV light excite electrons in the AgBr crystal lattice, reducing silver ions at crystal defects to form a latent image. Chemical development then amplifies these silver clusters.

प्रतिभागी

भूमिका पदार्थ गुणांक अवस्था
उत्पाद Silver Ag 2 (s)

रोजमर्रा का उदाहरण

Color and black-and-white photographic film used AgBr crystals in gelatin emulsion to capture images for over a century.

औद्योगिक महत्व

AgBr was central to the multi-billion dollar photographic film industry. Kodak and Fuji built global businesses on AgBr emulsion technology.

गुण

प्रकार
Photochemical
प्रतिवर्ती
नहीं
ऊर्जा
ऊष्माशोषी
ΔH
199.0 kJ/mol

संबंधित अभिक्रियाएँ

Cis-Trans Isomerization of Retinal Silver Chloride Photodecomposition Luminol Chemiluminescence Firefly Bioluminescence (Luciferin Oxidation) Photolysis of Water (Vacuum UV) Photochemical Smog Formation (NO₂ Photolysis) Photodegradation of Methylene Blue by TiO₂ Photodissociation of Chlorine Gas Photosynthesis Chlorophyll Fluorescence

Frequently Asked Questions

What is the equation for Silver Bromide Photodecomposition?
The balanced equation is: 2AgBr → 2Ag + Br₂.
What type of reaction is Silver Bromide Photodecomposition?
Silver Bromide Photodecomposition is a photochemical reaction.
Is Silver Bromide Photodecomposition exothermic or endothermic?
Silver Bromide Photodecomposition is endothermic (absorbs energy). The enthalpy change (ΔH) is 199.0 kJ/mol.