The reaction of zinc with hydrochloric acid is typical of metals. To try this out take 30 ml of concentrated hydrochloric acid in a beaker. d. The hydrogen gas also reacts with the zinc … Zinc is a metallic element that reacts with hydrochloric acid when it's in its elemental state. Zn and HCl . Favorite Answer. $\endgroup$ – Klaus-Dieter Warzecha Jan 21 '14 at 22:03 Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas. This reaction generates the very flammable element H2, or hydrogen gas. What are ten examples of solutions that you might find in your home? In this video tutorial the instructor talks about Hydrochloric acid (HCL) and how it reacts to a few metals. John . The hydrogen is replaced in its combination with the zinc. Similarities Between Photosynthesis And Cellular Respiration. Despite the fact that your stomach produces hydrochloric acid, the zinc in food and supplements doesn't react with stomach acid, because the zinc is not in … It could be whatever you want it to be. 8 years ago. Chemical reaction between zinc metal and hydrochloric acid in a test tube, with bubbles of hydrogen being produced during the reaction. Acta Metallurgica Slovaca, Vol. A metal's ability to react with HCl depends upon the metal's so-called activity, where metals with high activity react with HCl. The reaction is similar to the reaction with water, forming the metal salt (either sulfate or chloride) plus H 2(g). So, zinc will react with hydrochloric acid to produce zinc chloride and hydrogen gas . Zinc reacts with hydrochloric acid according to the reaction equation: Zn(s) + 2HCl(aq) ARROW ZnCl2(aq) + H2(g) How many milliliters of 2.50 M HCl(aq) are required to react with 8.15 g of Zn(s)? Log in here. How does zinc react with concentrated hydrochloric acid? ©2021 eNotes.com, Inc. All Rights Reserved. Lead does react with hydrochloric acid but it is extremely slow only producing tiny surface bubbles this would be good as a protective coating but its poisonous Zinc and hydrochloric acid; Iron and hydrochloric acid; Tin and hydrochloric acid; Lead and hydrochloric acid; Copper and hydrochloric acid ; Reactions of gold and platinum ; How to remember how a metal reacts with oxygen (or air) Reactions of metals when heated in air ; Metals below copper in the reactivity series ; Feedback. Explanation: #Zn(s) + 2HCl(aq) rarr ZnCl_2(aq) + H_2(g)uarr# The (s) and (g) stand for #"solid"# and … Zinc has the tendency to react with hydrochloric acid by its nature. Metals to the left of hydrogen in the electrochemical series react with hydrochloric acid. snappy. Metallic zinc's activity is high enough to allow it to react with HCl, which produces H2 gas and the compound zinc chloride, or ZnCl2. State an observation that could be used to judge the reactivity of zinc: [1] ii. The U.S. Supreme Court: Who Are the Nine Justices on the Bench Today? First, we have to make the balanced chemical equation for this reaction. Since the zinc is oxidized and the reaction needs to remain balanced, the hydrogen atoms are reduced. Lv 7. The chemical equation for this reaction is written: Zn(s) + 2HCl(aq) ? As the reaction proceeds, why does the rate of production of hydrogen gas decrease? This is one example of what is sometimes called a single replacement reaction because Zn replaces H in combination with Cl.. Because some of the substances in this reaction … These elements include lithium, potassium, calcium, sodium, magnesium, aluminum, zinc, iron and lead. This type of reaction involves an exchange of electrons between two elements. $\begingroup$ Under which conditions does it happen? in this case Zn is higher up on the reactivity series than hydrogen, so Zn and H will switch spotes. For this type of reaction to occur, the reduction potential of the reactant receiving the electrons must be lower than the reduction potential of the reactant giving up electrons. a. Metals to the right of hydrogen in the electrochemical series, such as copper, silver and gold, do not react. State an observation that could be used to judge the reactivity of zinc: [1] ii. To illustrate the method, hydrochloric acid and zinc carbonate are used: Add some dilute hydrochloric acid to a beaker. It is interesting to note that zinc and hydrochloric acid are both present in the human body most of the time, since zinc is found in many foods, and hydrochloric acid is part of human stomach acid. Single Replacement Reaction of Zinc + Hydrochloric Acid? Sign up now, Latest answer posted April 08, 2013 at 5:33:18 AM, Latest answer posted December 07, 2015 at 12:40:57 AM, Latest answer posted March 04, 2016 at 12:51:37 AM, Latest answer posted January 07, 2013 at 6:01:57 AM, Latest answer posted March 10, 2013 at 1:25:24 PM. When zinc metal is reacted with hydrochloric acid, zinc chloride and … The influence of hydrochloric acid on the zinc extraction from flux skimming.pdf. star. `0.04007 mol es H_2 * (2.016 grams H_2)/(1 mol e H_2)`, `= 0.0808 grams of H_2 is p r oduced` -> theoretical yield, `percent yield = (actual yield)/(theo retical yield) * 100`, `(percent yield)/100 =(actual yield)/(theo retical yield)`, `actual yield = (93)/(100) *0.0808 grams`. Product. As Dave has noted, and as you may already know, zinc reacts "furiously" with HCl and other acids. 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. c. The hydrogen gas formed inhibits the reaction. 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