Which of the following metals does NOT react with sulfuric acid? Silver, gold and platinum are not active metals. …, s the terminals? With cold con­cen­trat­ed sul­fu­ric acid, such met­als as iron and alu­minum do not re­act, as they are cov­ered with an ox­ide film. please help with this problem I can't understand!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! This method is used in laboratory to produce hydrogen gas. Since hydrogen has very low solubility in water and acids, it will produce bubbles; the resulting effervescence is greater with the more reactive metals. The effects of this acid on metal oxides vary, but in some cases, the oxide layer is chemically very inert and will prevent any reaction from taking place. Elements below hydrogen in the electrochemical series don't react with sulphuric acid. Reaction with Oxygen 3.2. Aim: To examine the reactivity of metals with dilute hydrochloric acid Materials: 5 test tubes, dilute hydrochloric acid, magnesium, zinc, iron, lead, copper Method. Acids that release a large number of hydrogen ions in water are strong acids. Gold and platinum will not react with sulfuric acid at all. P is a metal, and therefore; P does not react with dilute Sulphuric acid. Please answer correctly will follow and ma Metal oxides are basic in nature. The Reactivity Series. read more Elements like Platinum and Gold are called noble metals too as they don't react with most of the compounds or other reactants. Other than that it would have not turned blue. Zn + H2SO4 ⇨ ZnSO4 + H2. Metal oxides are basic in nature. When the sulfate has low solubility, the reaction will quickly slow down or stop as a protective layer of sulfate builds up around the metal. परागण एवं निषेचन में कोई पाँच अन्तर बताइए।​, 2. Metals below hydrogen in the reactivity series do not react with dilute acids, and both gold and platinum are placed below hydrogen. Students can then obtain blue copper(II) sulfate pentahydrate crystals The effects of sulfuric acid on metal depend on a number of factors, including the type of metal, the concentration of the acid, and the temperature. Place about 5cm depth of the acid in each of the five test tubes; Place a small piece of each of the three metals above. Which of the following metals reacts with aqueous AgNO₃? Depending on the reactivity,some metals react violently with dilute acids,some metals react rapidly with dilute acids,some metals react with dilute acids only on heating. Those metals which are above in the reactivity series displace hydrogen from dilute acids. Aluminum also forms a protective oxide layer; however, sulfuric acid and aluminum will react after some delay to produce hydrogen gas and aluminum sulfate. But, concentrated sulphuric acid is an oxidising agent. All metals which are more active than lead react with dilute hydrochloric acid or dilute sulfuric acid##. Zn(s) + H 2 SO 4 (g) → ZnSO 4 (s) + H 2 (Zinc) (dil. Chemical Properties of Metals and Non-metals 3.1. Let's look at how zinc reacts with a dilute acid, water, and oxygen. The red litmus paper turns blue when it comes in a contact with oxide PO base, and this indicates P is a metal. Copper does not displace hydrogen from non-oxidising acids like HCl or dilute H2SO4. While other metal/acid combinations react in the same way, recovering the salt by crystallisation (in Lesson 2) may not be as successful as it is using zinc and sulfuric acid. The Reaction of Metals with Dilute Acid.. Potassium, sodium, lithium and calcium all react violently with dilute sulfuric acid and dilute hydrochloric acid. They will not react with dilute sulfuric acid, or with the concentrated acid at room temperature. 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