Filed Under: Class 10, Metals and Non-metals Tagged With: reaction of metals with water About Mrs Shilpi Nagpal Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of … Metals Most metals react with water to produce a metal hydroxide or metal oxide and hydrogen gas. The reactivity of the metal determines which reactions the metal participates in. 2Na + 2H 2 O → 2NaOH + H 2 . So nitric acid can emit hydrogen gas with metals. reacts with metals, non-metals; What kind of reactions nitric acid can be shown, explain from atomic scale of nitrogen, oxygen and hydrogen. This is important in highlighting how the non-metals in different groups react differently with oxygen. Metals like sodium and potassium are highly reactive. Sodium reacts violently with cold water to form sodium hydroxide along with hydrogen gas. Some metals react with water to form metal hydroxide whereas some of them do not react. Compounds so formed are known as ionic compounds. Metals like copper, silver, and gold do not react with water under any conditions. Not all non-metal oxides are dioxides, as the following examples show. Reaction of Sulfur with Oxygen Sulfur burns with a blue flame Sulfur + oxygen → sulfur dioxide sulfur dioxide + water → sulfuric acid Reaction of non-metals with oxygen If a non-metal takes part in a chemical reaction with oxygen it forms an oxide. They react with water to form alkalis such as sodium hydroxide and potassium hydroxide. Reaction of Iron with water: Reaction of iron with cold water is very slow and come into notice after a long time. Zn + H 2 O ⇨ ZnO + H 2. Metals can react with water, acid and oxygen. You may want to ask if water (H 2 O) is a non-metal oxide. Reaction of Metal and Non-metal Many metals form ionic bonds when they react with non-metals. Reactivity with water differs from metal to metal. Non-metal oxides when reacting with water form acids with pH values less than 7. The picture list 3 non-metal oxides and 3 acidic solutions. A large amount of heat is evolved in this reaction, which results in hydrogen catching fire. Iron forms rust (iron oxide) when reacts with moisture present in atmosphere. When they dissolve in water they form acids. Ions: Positive or negative charged atoms are known as ions. Calcium also reacts with water to form calcium hydroxide and hydrogen. Zinc does not react with cold water. Most oxides of non-metals are soluble. Reaction of zinc metal with water: Zinc metal produces zinc oxide and hydrogen gas when steam is passed over it. Ions are formed because of loss or gain of electrons. Point out that hydrogen (H) is a non-metal and that water should be a non-metal oxide. No, because it contains only one oxygen. 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