What would happen if an iron nail was placed in hydrochloric acid?

If you have a situation where the acid cannot keep the dissolved metal in solution, that dissolved metal will become rust. Imagine that you immerse an iron nail in HCl or vinegar, and the watery solution dries up, the dissolved iron can’t stay dissolved, and now turns to rust.

What is the change in colour of the solution when an iron nail is kept in copper sulphate solution for some time?

When an iron nail immersed in the solution of copper sulphate than iron displaces copper from the solution of copper sulphate because iron is more reactive than copper. Therefore copper sulphate solution colour changes from blue to pale green.

What happens to an iron nail in water after 3 days?

The process of rusting will begin! Water is a catalyst in the oxidation of iron by the oxygen in the air; water will also contain some dissolved oxygen. Rust comes off the iron and finds its way into the water, so the water tends to turn brown.

What happened to the iron nail when they are exposed to oxygen?

If you ever wonder why nails rust, it’s because rusting happens when a metal is exposed to oxygen. The molecules of iron on the surface of the nail exchange atoms with the oxygen in the air and produce a new substance, the reddish-brown ferrous oxide, a.k.a. rust.

What happens when iron mixes with acid?

Iron is fairly reactive; in moist air. it oxidizes to form rust, a mixture of iron oxides. Non-oxidizing acids like hydrochloric acid react with iron to form iron (II) salts — salts in which the iron atom has lost two electrons. One example is FeCl2.

Does iron metal react with hydrochloric acid?

Iron reacts with hydrochloric acid to produce iron(II) chloride and hydrogen gas.

What happens when iron nail is kept in the blue colour solution of a metal salt identify the salt?

When iron nails are kept dipped in copper sulphate solution for about 30 minutes, the blue colour of the aqueous copper sulphate would slowly fade to become green and a brown deposition would be seen on the iron nails.

What happens when iron nail is dipped in blue vitriol solution?

Answer: this is a type of displacement reaction. In this case there is displacement of copper by iron which is more reactive as compared to copper which is present in blue vitriol. As a result of this there is formation of free copper with settles at the bottom of the container.

What happens when iron nail is dropped in water?

When iron nails are dipped in water in a test tube for a week, they will get rusted due to the effects of oxygen and water on it. Since rust is reddish brown in colour, the nails will turn reddish brown in colour as well.

What happens when an iron nail is put in water?

The corrosion of iron indicates a chemical change in the metal. Rust (hydrous oxide) is an example of this change that results when iron is exposed to water or damp air. Your iron nail will indeed rust more quickly and severely in salt water.

What happens when iron nail is heated?

As the nail gets hotter, the Atoms get excited and emit Photons at a frequency depending on the temperature reached: From Infra red (not visible light but still photons are emitted) to visible light Frequencies Red—orange —- bright yellow and Whitish (mixsture of frequencies).

Does iron nail expand when heated?

As an iron nail heats up and expands its overall volume, one cubic centimeter of its substance has fewer atoms. With fewer atoms, one cubic centimeter of its substance has less mass, even though the overall mass of the expanded object is the same as before. The ratio of mass to volume is called density.

When iron nails are added to aqueous solution of copper sulphate?

When iron nails are added to an aqueous solution of copper sulphate, a chemical change occurs, which of the following is not true about this reaction? 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.

What happens when you dip an iron nail in veniger solution?

The F e X 3 + formed will react with the acetate ions to form red Iron (III) acetate. When you dip a rusty Iron Nail in veniger solution, the Viniger reacts with F e X 2 O X 3 ⋅ n H X 2 O (Rusty Iron or oxidized Iron).

What happens when you mix iron and vinegar?

xH2O}$) probably reacted with vinegar to form Iron (III) acetate which makes the solution reddish in color. In your second experiment, the iron on the clean nail surface would have reacted with vinegar to form Iron (II) acetate. There are two main reasons why the solution might appear to have no change:

What is the colour of iron(II) acetate in water?

Iron (II) acetate happens to be very soluble in water and has a very faint light green color in solution which is not easily detectable in lower concentrations. Then again, when you added H X 2 O X 2 to the second solution, you mentioned that a reddish color appeared.