網頁Explanation: Colour of the solution from blue to green is due to the formation of iron sulphate, a new substance. The brown deposit on the iron nail is copper, another new substance. We can write the reaction as: Copper sulphate solution (blue) + Iron → Iron sulphate solution (green) + Copper (brown deposit) When an iron nail is dipped in ... 網頁An aluminium strip is kept immersed in freshly prepared ferrous sulphate solution taken in a test tube, the change observed is that. (a) Green solution slowly turns brown. (b) Lower …
Rusting of Iron: Experiments & Chemical Reactions - Embibe
網頁2013年7月9日 · When you dip a rusty Iron Nail in veniger solution, the Viniger reacts with $\ce{Fe2O3.nH2O}$ (Rusty Iron or oxidized Iron). Whereas in case of clean nail, Its directly reacts with iron. Your product is probably different due to this reason only, if I understood your question right. 網頁Reaction of Iron Nails with Copper Sulphate Solution in Water. When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of copper sulphate solution changes from blue to light green. …This hadoop01 itcast cn
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網頁It appears as brown coating on iron nail. 1. Iron nail should be clean; otherwise impurity such as rust will cause interference to the expected reaction. 2. During the experiment the test tube should not be disturbed. (The deposit of copper might fall off) 3. More the time taken better will be the result. Questions: 1. 網頁2024年5月22日 · Detailed Solution. The initial blue colour of copper sulphate solution is changed to light green colour of iron sulphate. The initial silver colour of iron nail is … 網頁The initial silver colour of iron nail is changed to reddish-brown colour due to coating of copper metal on the nail. Solution turns Blue to green. Student B Copper (Cu) in FeSO 4 Since Iron is more reactive than copper, that means it has a greater tendency to lose electrons and form positive ion, displacing copper ion in copper sulphate solution. had only just finished