The reason why Magnesium doesn't really react with cold water is that it becomes coated with Magnesium hydroxide which is insoluble, so it prevents water coming into contact with Magnesium. Observe the magnesium and wait until a reaction occurs before adding the gas syringe. By signing up, you'll get thousands of step-by-step solutions to your homework questions. Lv 7. How do you think about the answers? reb1240. 1 decade ago. What behavior toward cold water would you predict for strontium and barium? Task 1 . Calcium metal reacts with cold water as follows: Ca + 2 H 2 O → Ca ( OH ) 2 + H 2 Magnesium metal does not react with cold water. Very clean magnesium ribbon has a very slight reaction with cold water. Magnesium metal does however react with steam to give magnesium oxide (MgO) (or magnesium hydroxide, Mg(OH) 2, with excess steam) and hydrogen gas (H 2). Model 1. Does magnesium react with cold water?? After several minutes, some bubbles of hydrogen form on its surface, and the coil of magnesium ribbon usually floats to the surface. magnesium will not react with cold water. However, iron reacts with steam. it is a weaker reducing agent than hydrogen. but it will react with steam. Copper does not react with cold water, hot water or steam. Write equations to represent any predicted reactions. Magnesium reacts slowly in water but reacts vigorously with steam. 0 0. Open Yenka file Model 1. Answer to: Does magnesium react with cold water? Magnesium, being an alkaline earth rare earth (s-block) metal, reacts with water more actively than most other transition (d-block) metals such as iron, copper, zinc, etc do. Magnesium does not react with water to any significant extent. Ask for details ; Follow Report 23.08.2016 Log in … … You can sign in to vote the answer. I am confused because in some books it it written it does not react whereas at some websites it is written it reacts with cold water !!! magnesium can react with water to produce hydrogen which could cause an explosion, proper care must be used. 1 decade ago. If the hot water tanks are made of steel (an alloy of iron), then iron would react vigorously with the steam formed from hot water. This is in contrast with calcium, immediately below magnesium in the periodic table, which does react slowly with cold water. However, some unreactive metals like gold will not react with water in any state. Why does magnesium react mildly with cold water but vigorously with hot water or steam producing magnesium hydroxide and hydrogen? However, the reaction soon stops because the magnesium hydroxide formed is almost insoluble in water and forms a barrier on the magnesium preventing further reaction. Turn on the hot plate and the bunsen burner. So plz give me right answer and elaborate it too why it does or why it does not? Sign in. 0 0. mark31167. View Answer. Very, very slowly. Not all metals will react with cold water; some metals that will not react with cold water will react with steam.
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