fructose + H2NNHC6H5----> fructose phenylhydrazone +H2O ------------>
H2NNHC6H5
2-Ketofructohydrazone + NH3 + C6H6NH ---------------> fructosazone + H2O
H2NNHC6H5
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The formation of fructosazone involves the reaction of fructose with phenylhydrazine. The resulting compound, fructosazone, is formed through the condensation of fructose and phenylhydrazine, resulting in the formation of a crystalline precipitate. The reaction is often used as a test for detecting the presence of reducing sugars like fructose.
The energy involved in the formation of 5 grams of rust can be calculated using the enthalpy of formation of iron(III) oxide (rust), which is -824 kJ/mol. First, convert the mass of rust to moles, then use the molar enthalpy of formation to calculate the energy involved.
Compaction
The four factors involved in the formation of magma are temperature (heat), pressure, composition of the rock, and the presence of water or volatile substances. When these factors change, it can lead to the melting of rocks and the formation of magma beneath the Earth's surface.
Copper is the mineral that activates the enzyme choline acetyltransferase, which is involved in the formation of acetylcholine.
Vitamin A is involved in the formation of visual pigments in the eye. It is necessary for the production of a pigment called retinal, which is a component of rhodopsin, the light-sensitive pigment found in the rods of the retina.