1. what is the smell and odor of NaCl when you add AgNO3 and HNO3.
2. What is the smell and odor of NaBr when you add AgNO3 and HNO3. Does a precipitate form?
3. What is the smell and odor of NaI with AgNO3 and HNO3? Is there a precipitate?
NaCl has no odor. AgNO3 has no odor. The odor you perceive with this mixture is that of HNO3 which is the odor of NO2.
To determine the smell and odor of NaCl, NaBr, and NaI when mixed with AgNO3 and HNO3, we need to understand the reactions that occur between these compounds. Let's go through each question step by step:
1. When you add AgNO3 and HNO3 to NaCl, a reaction takes place. The silver nitrate (AgNO3) reacts with the sodium chloride (NaCl) to form silver chloride (AgCl) and sodium nitrate (NaNO3). AgCl is a white precipitate that is insoluble in water. It does not have a distinct smell or odor. However, the addition of HNO3 may produce a slight acidic odor due to the nature of nitric acid. It's important to note that the odor caused by HNO3 is not specific to this reaction and is generally associated with the acid.
2. When you add AgNO3 and HNO3 to NaBr, a similar reaction occurs. The silver nitrate reacts with the sodium bromide (NaBr) to form silver bromide (AgBr) and sodium nitrate (NaNO3). AgBr is also a white precipitate, similar to AgCl, and does not have a distinct smell or odor. Again, the presence of HNO3 may cause a slight acidic smell due to the acid itself, but it is not directly related to the reaction.
3. Finally, when you add AgNO3 and HNO3 to NaI, a reaction takes place. The silver nitrate reacts with the sodium iodide (NaI), forming silver iodide (AgI) and sodium nitrate (NaNO3). AgI is a yellowish precipitate, again without any particular smell or odor. Once more, the presence of HNO3 may lead to a slight acidic odor, unrelated to the specific reaction.
In summary, the reactions between AgNO3 and HNO3 with NaCl, NaBr, and NaI all result in the formation of insoluble silver compounds (AgCl, AgBr, and AgI) without any distinctive smell or odor. The slight odor observed is primarily from the HNO3, which is an acid used in the reactions.