Give reason: Iron displaces copper from copper sulphate solution.

1 Answer

Answer :

Iron is more reactive than copper. Hence it displaces copper from copper sulphate solution.

Related questions

Description : What happens when? a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. b) A pinch of mercuric oxide is kept in a test tube. c)A small crystal of silver nitrate is dissolved in distilled water and a drop of ammonium hydroxide & a pinch of glucose powder are added.

Last Answer : a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. After a few hours a coating of copper is seen on iron nail/plate. It is based on displacement reaction. ... on the inner walls of the test tube. Aldehyde group in glucose reduced silver nitrate to metallic silver.

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Last Answer : Sodium is highly reactive than copper. Hence reaction with sodium reacts violently then that of copper.

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Description : In a solution of silver nitrate, a copper plate was dipped. After some time, silver from the solution was deposited on the copper plate. Which metal is more reactive – copper or silver?

Last Answer : More reactive metal displaces a less reactive metal. Hence copper metal is more reactive.

Description : Give reason: Aluminium / Iron become passive when immersed in concentrated nitric acid.

Last Answer : Since concentrated nitric acid is a powerful oxidising agent, it forms a protective oxide layer on the metal instantly

Description : Give reason: a) Iron exposed to air rusts quickly during rainy season.

Last Answer : a) Iron exposed to air rusts quickly during rainy season. Due to the presence of excess water vapour. b) Iron nail kept in a closed jar containing calcium chloride does not rust. As air is dry ... ) Tin is used to coat the inner walls of brass and copper utensils. To avoid corrosion or rusting.

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Last Answer : As metals belonging to the same group in the periodic table have similarities in electronic configuration.

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Last Answer : Due to high temperature the triple bond between nitrogen atoms is broken and a small quantity of magnesium nitride is formed.

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Last Answer : Due to the formation of oxide, hydroxide and carbonate layers.

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Description : Why is 6% to 8% copper added to gold in making ornaments?

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Last Answer : a) For making cooking utensils and boilers. Good conductor of heat. b) For making electric wires. Good conductor of electricity.

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Last Answer : When an iron nail is dipped in copper sulphate solution, the displacement reaction takes place. The colour of copper sulphate solution fades due to the formation of light green solution of iron sulphate.

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Last Answer : Slag obtained in blast furnace is used as one of theraw materials of glass and cement.

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Last Answer : Limestone reacts with the sand present as impurity in the ore forming calcium silicate which is taken out of the blast furnace as slag.

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Description : science Topic : Metals Fill in the blanks.

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