Which oxide of iron could be obtained on prolonged reaction of iron with steam? (a) Does not react with dil. The steam treatment took, on average, 1-4 days and had no effect on the pyrophoric iron sulfide. Also, Fe2O3 is red and Fe3O4 is black, so if color is mentioned that may help. The Reaction of Metals with Water.. Potassium, sodium, lithium and calcium react with cold water, see alkali metals and alkaline earth metals.. Metals in the reactivity series from magnesium to iron react with steam - H 2 O (g) but not water - H 2 O (l). Iron (II, III) oxide Fe₃O₄ forms on the combustion of powdered iron in oxygen or in the air. 90g c. 168g d. 210g**** Chemistry. Metals like lead, copper, silver and gold do not react with water or steam. Which one of the following metals do not react with cold as well as hot water? The Reactivity Series. However, when steam is passed over red-hot iron, the reaction occurs resulting in iron oxide and hydrogen gas. Both are possible oxides of iron. Iron. Heating the zinc will speed up the reaction but it will still not burn brightly like the magnesium. 1 It reacts with steam to produce hydrogen gas. B. Mercury. Metals like aluminium, zinc, iron do not react with hot/cold water ; they react only with steam to form a metal oxide and hydrogen . Iron does not react with either cold water or hot water. (b) Sodium metal is highly reactive. A. Chemical reaction between chemicals in the steam and the material in the turbine blades. Solution for When iron and steam react at high temperatures, the following reaction takes place. When a reactive metal reacts with hydrochloric acid hydrogen gas is produced A reactive metal displaces the hydrogen from acid and release hydrogen gas. C. Calcium. Loss of revenue due to down time ranged from $50,000 to $1,000,000. Answer: Non-metals react with oxygen to form acidic oxides. D. Bromine. (They are inert metals- lowest in reactivity series) Metals like aluminium, zinc, iron do not react with hot/cold water ; they react only with steam to form a metal oxide and hydrogen .Manganese reacts slowly with cold water, but more rapidly with hot water or steam. Zn + H 2 O → ZnO + H 2. Fe(s) + H2O(g) —> Fe3O4(s) + H2(g) How much iron must react… D. Sodium. ... Potassium reacts violently with cold water to form potassium hydroxide and hydrogen gas: 2K(s)+ 2H2O(l) -----> 2KOH(aq) + H2(g) + heat. The mixture is heated over a gas burner. What happens when calcium is treated with water? But Fe being more reactive than Cu displaces Cu from CuSO4 solution. Question: What happens when iron reacts with steam? Solution: (i) Magnesium reacts with water only on boiling (ii) Copper does not react even with steam . How many grams of iron will react with 5 moles of steam to convert to iron oxide with 100% product yield? Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam? With the help of equations, explain the reaction of non-metals with oxygen. a. These all react with cold water with increasing vigour to give the metal hydroxide and hydrogen. Question 52. Iron does not react with Al2(SO4)3 solution because iron is less reactive than aluminium. Which of these two will be nearer to the top of the activity series of metals? Iron Slow with steam. Identify the non-metal which exists in liquid state in room temperture 25 ∘ C. A. Aluminium. A Useful Element: The element, iron, has many practical uses. C. Iodine. The first five elements are highly reactive metals that will react with cold water, hot water, and steam to form hydrogen gas and hydroxides. This reaction probably requires a catalyst and/or very high temperatures or pressures. Unit 2: Further Chemical Reactions, Rates and Equilibrium, Calculations and Organic Chemistry. Iron oxide, Fe203 and hydrogen gas. If it reacts with steam, the metal oxide is formed. Chemistry. a. Ans. How many grams of iron will react with 5 moles of steam to convert to iron oxide with 100% product yield? Write the chemical reaction when iron’ reacts with dilute H 2 SO 4. Reacted with steam: Copper: Does not react with water: Conclusion. Answer: Fe 2 O 4 3Fe(s) + 4H 2 O(g) → Fe 3 O 4 (s) + 4H 2 (g) Question 14. Iron reacts with steam according to the reaction 3Fe +4 H2O → Fe3O4 + 4H2O. Na + 2 H 2 O ———-> 2NaOH + H 2 2)Magnesium is less reactive metal so it react slowly with cold water,it reacts rapidly only with hot … 0 ; View Full Answer i think iron reacts with water and even with moisture...because if we keep iron in water then it gets rusted but the reaction is slow! 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