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Who first discovered that silver nitrate changes when exposed to light?
The discovery that silver nitrate changes when exposed to light was first made by Thomas Wedgwood in the early 19th century. He observed the light-sensitive properties of silver nitrate when experimenting with photography.
Why silver nitrate is not a primary standard?
Silver nitrate is not a primary standard because it is hygroscopic, meaning it absorbs water from the atmosphere, leading to inaccuracies in determining its exact weight. Additionally, silver nitrate is light-sensitive and can decompose upon exposure to light, affecting its stability and reliability as a primary standard.
Why is bench silver nitrate stored n a brown bottle?
Silver nitrate is slightly photosensitive. In order to prevent it from under going decomposition or maintain its self properties it is stored in brown bottles.
How do you store silver nitrate?
Silver nitrate should be stored in a cool, dry place away from light and heat sources, as it is light-sensitive and can decompose when exposed to light. It should be kept in a tightly sealed container to prevent absorption of moisture from the air. Additionally, it is important to label the container clearly with appropriate warnings and information.
What arethe uses of Silver nitrate?
Silver nitrate is commonly used as a laboratory reagent for various chemical reactions, such as the detection of halide ions. It also has medical uses, including as a cauterizing agent to remove warts or granulation tissue. In addition, silver nitrate has historically been used in photography for its light-sensitive properties.
Who first discovered that silver nitrate changes when exposed to light?
The discovery that silver nitrate changes when exposed to light was first made by Thomas Wedgwood in the early 19th century. He observed the light-sensitive properties of silver nitrate when experimenting with photography.
What happens when Silver NItrate reacts with light?
When silver nitrate reacts with light, it undergoes a photochemical decomposition process where it decomposes into silver metal, nitrogen dioxide gas, and oxygen gas. This reaction is a decomposition reaction and is commonly used in photography to form images on sensitive materials.
Why you protect silver nitrate from light?
Silver nitrate is light-sensitive and can degrade upon exposure to light, leading to a reduction in purity and effectiveness. Protecting it from light helps maintain its stability and prevent degradation, ensuring its efficacy in various applications.
Why must silver nitrate solution be kept in brown bottles?
Silver nitrate is light-sensitive and can undergo decomposition when exposed to light, forming silver oxide. Storing silver nitrate in brown bottles helps protect it from light and maintains its stability and purity.
What color is a nitrate precipitate?
Silver nitrate is white, but light sensitive, so it turns black
Why silver nitrate is not a primary standard?
Silver nitrate is not a primary standard because it is hygroscopic, meaning it absorbs water from the atmosphere, leading to inaccuracies in determining its exact weight. Additionally, silver nitrate is light-sensitive and can decompose upon exposure to light, affecting its stability and reliability as a primary standard.
What happens when silver nitrate exposed to light?
Silver nitrate is photosensitive, meaning it decomposes when exposed to light. This decomposition results in the formation of elemental silver and nitrogen dioxide gas. This reaction can be used to create photographic films and papers.
Why is bench silver nitrate stored n a brown bottle?
Silver nitrate is slightly photosensitive. In order to prevent it from under going decomposition or maintain its self properties it is stored in brown bottles.
Equation of silver nitrate in photography?
When making photographic film, silver nitrate is treated with halide salts of sodium or potassium to form insoluble silver halide in situ in photographic gelatin, which is then applied to strips of tri-acetate or polyester. AgNO3 + NaCl -------->AgCl(s) + NaNO3 .
What is used to make photographic film?
Photographic film was invented in 1889 by George Eastman. Photographic film and paper is made using silver nitrate which is light sensitive.
What happens when paper with a gelatin based solution is coated with silver nitrate solution?
When paper with a gelatin-based solution is coated with silver nitrate solution, a light-sensitive layer called silver halide is formed. The silver halide particles react with light to create a latent image. This image can be developed and fixed to produce a visible photograph.
What does AgNO2 stand for?
AgNo is a river in the Philippines. AgNO3 is silver nitrate and it is an inorganic compound. It is a versatile precursor to many silver compounds.
