Textbook solution for General Chemistry - Standalone book (MindTap Course… 11th Edition Steven D. Gammon Chapter 19 Problem 19.63QP. 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Ans: Due to the smallest standard reduction potential, lithium is the strongest reduction agent. Question 5: The strongest oxidizing agent is said to have the most positive potential and the strongest reducing agent has the most negative potential. This page discusses what defines an oxidizing or reducing agent, how to determine an oxidizing and reducing agent in a chemical reaction, and the importance of this concept in real world applications. If a solid metal is able to react with a metal ion, and displace it from its salt (reduce it), then it is a stronger reducing agent Cd2+ cannot be reduced by Ni or Au above (eq 1&5), so it is stronger than them. Upvote (3) Was this answer helpful? You may need to download version 2.0 now from the Chrome Web Store. Hydrogen acts as a reducing agent because it donates its electrons to fluorine, which allows fluorine to be reduced. A reducing agent is a term in chemistry that refers to an atom which donates electrons in an oxidation-reduction reaction. 1. Uploaded By AdmiralAtomRhinoceros7617. One will get Na, Cr, Cu and Cl -; Na being the strongest reducing agent and Cl - being the weakest one. The stockroom of the virtual lab contains solutions of Cu2+, Mg2+, Zn2+, and Pb2+ ions, and the correspond metals (Cu, Mg, Zn, and Pb). As molecular hydrogen has its fulfilled duplete so it is stable. The poorest oxidizing agent is Mg+2, so Mg is the best reducing agent. The values for the table entries are reduction potentials, so lithium at the top of the list has the most negative number, indicating that it is the strongest reducing agent. A reducing agent reduces something else. Let us help you simplify your studying. This preview shows page 13 - 16 out of 28 pages. The atom that gains those electrons is said to be reduced. Your first task is to order Cu, Mg, Zn and Pb from strongest to weakest reducing agent. If you are having trouble with Chemistry, Organic, Physics, Calculus, or Statistics, we got your back! Cloudflare Ray ID: 617175e9da0e16dd 800+ SHARES. From the ionization energies we might expect lithium to be the weakest of the alkali metals as a reducing agent in water. In order to get stability (Helium-nearest noble gas configuration) it tends to lose electron from its valency shell. Identify the strongest and weakest reducing agents from the following list: Zn, Cu, Ag, Na, Sn. We are going to look at the ability of one halogen to oxidise the ions of another one, and how that changes as you go down the Group. Reaction 1: Cu (strongest reducing agent) I- Ag Br- (weakest reducing agent) Reaction 2: Zn(strongestreducing agent) Pb Cu Ag(weakest reducing agent) Reaction 3: Cl2 (strongest oxidizing agent) Br2 I2 (wekest oxidizing agent) Using these results, how am I . Hydrogen gas is a reducing agent when it reacts with non-metals and an oxidizing agent when it reacts with metals. We then look at the second group. 800+ VIEWS. Answer. I would be the weakest reducing agent. Among the given options, hydrogen is the weakest reducing agent. 2Sr + O2 2SrO a) Determine what is oxidized and what is reduced b) Identify the oxidizing agent and the reducing agent 8. The more positive the E° value, the more the position of equilibrium lies to the right - the less readily the metal loses electrons, and the more readily its ions pick them up again. Given the following standard reduction potentials in acid solution write the formula of the weakest reducing agent. Oxidizing Agents Reducing Agents Strongest Weakest Strongest Weakest. Weak reducing agents will react less vigorously than a strong reducing agent, but can still participate in reactions that generate heat and possibly gaseous products which can pressurize a closed container, and which may go on to participate in further reactions. Chemistry. The strongest oxidizing agent is fluorine with the largest positive number for standard electrode potential. Which of the following is the weakest reducing agent? An oxidizing agent (often referred to as an oxidizer or an oxidant) is a chemical species that tends to oxidize other substances, i.e. Lithium is, therefore, the most powerful reducing agent. That must mean that it gives electrons to it. The species that are lowered in a redox reaction are oxidizing agents. I−(aq) Au(s) Br2(s) Sn(s) ClO−2(aq) 2) 3) Show transcribed image text. K (strongest reducing agent) > Mg > Fe > Au (weakest reducing agent) Based on the periodic table and general patterns of activity, which of the following would react with metallic calcium? If a solid metal is able to react with a metal ion, and displace it from its salt (reduce it), then it is a stronger reducing agent Cd2+ cannot be reduced by Ni or Au above (eq 1&5), so it is stronger than them. Log in. Oxidizing agents reducing agents strongest weakest. Uploaded By Bloopernoop. Zn(strongestreducing agent) Pb Cu Ag(weakest reducing agent) So it seems to me, forgetting #3 for the moment, that it's almost done for you.#2 tells you Zn, and Pb are at the top (above Cu and Ag) and follow that from #2 with Cu, I^-, Ag, Br^-. asked Feb 13 in Chemistry by SurajKumar (66.2k points) redox reaction; class-11 +3 votes. A reducing agent typically is in one of its lower possible oxidation states and is known as the electron donor. An oxidising agent (oxidant, oxidizer) or oxidising agent (oxidizer) is a material in chemistry that is capable of oxidising other compounds, in other words, accepting their electrons. The weakest reducing agent is: Will Al(s) reduce Br_2(I) to Br^- (aq)? Medium. For example, consider the overall reaction for aerobic cellular respiration: The oxygen (O2) is being reduced, so it is the oxidizing agent. Question 5: The strongest oxidizing agent is said to have the most positive potential and the strongest reducing agent has the most negative potential. The more negative the value, the stronger reducing agent the metal is. The reduced atom is called the oxidizing agent; it takes electrons from the oxidized atom, which is another name for the reducing agent. 2. Alkali metals act as strong reducing agents as their ionization energy values are low. It decreases another substance when something is oxidized, becoming a reduction agent. Order Cu, Mg, Zn and Pb from strongest to weakest reducing agent. The stockroom of the virtual lab contains solutions of Cu2+, Mg2+, Zn2+, and Pb2+ ions, and the correspond metals (Cu, Mg, Zn, and Pb). Weakest Reducing Agent. KBr NaI FeCl2 NiBr2 1 B. Magnesium must be a good reducing agent. New content will be added above the current area of focus upon selection Reducing agents "reduce" (or, are "oxidized" by) oxidizing agents. How to determine the oxidizing and reducing agent in a redox reaction. Urcer Cu, Mg, Zn, Ana O Trom Strongest To Weakest Reducing Agent. Ask your question. The glucose (C6H12O6) is being oxidized, so it is the reducing agent. In their pre-reaction states, reducers have extra electrons (that is, they are by themselves reduced) and oxidizers lack electrons (that is, they are by themselves oxidized). Reactions of weak reducing agents with compounds that are known oxidizing agents may result in combustion and can potentially be explosive if the mixture is heated or under pressure. Among the given options, hydrogen is the weakest reducing agent. The best oxidizing agent is Cu+2, since it has the most positive reduction potential. We have step-by-step solutions for … > Here's a typical table of standard reduction potentials. E. CuO(s) is the oxidizing agent and N2(g) is the reducing agent. Iron is the reducing agent because it gave electrons to the oxygen (O2). The strongest oxidizing agent in the list is F2, followed by H2O2, and so on down to the weakest oxidizing agent, Li+. Textbook solution for General Chemistry - Standalone book (MindTap Course… 11th Edition Steven D. Gammon Chapter 19 Problem 19.63QP. A few good common reducing agents include active metals such as potassium, calcium, barium, sodium and magnesium and also, compounds that contain the H- ion, those being NaH, LiAlH 4 and CaH 2. Honour Chemistry Unit 7: Redox Reactions … Hydrogen acts as an oxidizing agent because it accepts an electron donation from lithium, which causes Li to be oxidized. Enter Formula Halfreaction E (V) LOs) 2eT 21 (aq) 0.535V AP Caqo 3e- AIGs) -1.660V A reducing agent (also called a reductant or reducer) is an element or compound that loses (or "donates") an electron to an electron recipient (oxidizing agent) in a redox chemical reaction. answr. O xidation R eduction. Assertion: Lithium is the weakest reducing agent among alkali metals. This reversal results mainly from the very large energy of hydration of the small Li+ ion. A. H3C-C---C-H B. Why hydrogen is a good reducing agent? Strongest oxidizing agent: Cu+2 > Pb+2 > Al+3 > Mg+2 ; weakest oxidizing agent. Weakest reducing agent is: A. atomic hydrogen. Therefore option (e) is correct. If you are having trouble with Chemistry, Organic, Physics, Calculus, or Statistics, we got your back! For the best answers, search on this site https://shorturl.im/awsIw. For example, benzene is reduced to cyclohexane in the presence of a platinum catalyst: The reducing agent in this reaction is ferrocyanide ([Fe(CN)6]4−). If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. The weakest reducing agent is the strongest oxidizing agent. redox reaction; class-11; Share It On Facebook Twitter Email. (Hint: Remember that reducing agents get oxidized.) Let us help you simplify your studying. Recall the mnemonics LEO GER. 3. 1.5k SHARES. Answer. (b) €€€€Use data from the table above to deduce the halide ion that is the weakest reducing agent. In the above equation, the Iron (Fe) has an oxidation number of 0 before and 3+ after the reaction. For the best answers, search on this site https://shorturl.im/awsIw. Your first task is to order Cu, Mg, Zn and Pb from strongest to weakest reducing agent. Good reducing agents tend to consist of atoms with a low electronegativity, the ability of an atom or molecule to attract bonding electrons, and species with relatively small ionization energies serve as good reducing agents too. The weakest reducing agent among the following is 1:46 000+ LIKES. We can summarize this by saying that Zn is a stronger reducing agent than Cu.Question 1 : The stockroom of the virtual lab contains solutions of Cu2+, Mg2+, Zn2+, and Pb2+ ions, and the correspond metals (Cu, Mg, Zn, and Pb). 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