A colourless solution is formed and a gas is given off. Using sulfuric acid can be done but (and this is part of the informed prediction) probably should not. [ef9], When copper(II) sulfate solution undergoes electrolysis using a carbon cathode and copper anode electrodes the product at the positive anode is? copper(II) oxide + carbon ==> copper + carbon dioxide; 2CuO(s) + C(s) ==> 2Cu(s) + CO 2(g) Copper oxide is reduced (oxygen loss) and carbon is oxidised (oxygen gain). [eh-19], Which of the following is the correctly balanced electrode half equation for the cathode in the electrolysis of copper(II) sulfate with copper electrodes? 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The standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy during the formation of 1 mole of the substance from its constituent elements, with all substances in their standard states.The standard pressure value p ⦵ = 10 5 Pa (= 100 kPa = 1 bar) is recommended by IUPAC, although prior to 1982 the value 1.00 atm (101.325 kPa) was used. Your email address will not be published. [ef11], When copper(II) chloride solution undergoes electrolysis using a carbon/platinum electrodes the product at the positive anode is? Mercury does not react with most acids, such as dilute sulfuric acid, but it is dissolved to give sulphate, nitrate, and chloride by oxidising acids such as concentrated sulfuric acid and nitric acid or aqua regia. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. [ef8], When copper(II) sulfate solution undergoes electrolysis using a carbon cathode and copper anode electrodes the product at the negative cathode is? [ef7] ... any ionic compound dissolved in water can undergo electrolysis ? [ef4], In the electrolysis of sodium sulfate solution with carbon/platinum electrodes, what product is formed on the surface of the negative cathode? For example, when the sulfate ion (SO 4 2-) is complexed with H + as the cation, the overall formula will be H 2 SO 4 and the resulting acid will be named sulfuric acid. Answer. 4. 3. It has a strong acidic nature and is corrosive. The primary application of sulfuric acid is in fertilizer processing, e.g., lime super phosphate and ammonium sulfate. It is also used in chemical synthesis and wastewater processes. [ef10], When copper(II) chloride solution undergoes electrolysis using a carbon/platinum electrodes the product at the negative cathode is? (adsbygoogle = window.adsbygoogle || []).push({}); (adsbygoogle = window.adsbygoogle || []).push({}); What is sulfuric acid used for? Acid = Dilute Sulfuric Acid Insoluble Base = Copper (II) Oxide Method: Add dilute sulfuric acid into a beaker and heat using a bunsen burner flame; Add copper (II) oxide (insoluble base), a little at a time to the warm dilute sulfuric acid and stir until the copper (II) oxide is in excess (stops disappearing) You can write the equation using HNO 3 and the nitrate would simply replace the chloride. The chromium(III) ion is presented as an ion, meaning it's soluble. When you have a certain amount of (concentrated) sulphuric acid, you should pour it into a sodium hydroxide solution. At higher concentrations, it acts as an oxidizing agent and dehydrating agent. [ef12], What do we call the positive electrode in an electrolysis cell? Copper can be extracted by reducing the hot black metal oxide on heating with carbon. Sulfuric Acid is a mineral acid with a chemical formula H2SO4. Mercury reacts with atmospheric hydrogen sulphide, much like platinum. Sulfuric acid is a compound with covalence, since all the bonds are covalent. in the manufacture of hydrochloric acid, nitric acid, sulfate salts, synthetic detergents, dyes and pigments, explosives, and medicines. [ef3], When copper(II) sulfate solution undergoes electrolysis using carbon/platinum electrodes the product at the negative cathode is? 2. [ef35], What do we call a positively charged ion? [ef5], In the electrolysis of sodium sulfate solution with carbon/platinum electrodes, what product is formed on the surface of the positive anode? [eh-18], Which of the following is the correctly balanced electrode half equation for the anode in the electrolysis of copper(II) sulfate with copper electrodes? [eh-17], Which of the following is the correctly balanced electrode half equation for the anode in the electrolysis of copper(II) sulfate with carbon electrodes? How do you neutralize sulfuric acid? It is water-soluble and releases heat when dissolved in water. Dropping the prefix distinguishes polyatomic acids from the binary acids, in this case sulfuric acid (H 2 SO 4 ) is distinguished from hydrosulfuric acid (H 2 S). The mixture was stirred. It is widely used in the manufacturing of fertilizers. calcium copper iron magnesium zinc Metals in cold water calcium copper iron magnesium zinc Metals in dilute hydrochloric acid *P40134A0728* 7 Turn over (b) Some magnesium powder is added to dilute sulfuric acid in a test tube. Carborane super acids can be considered the strongest solar acid in the world, because fluoroantimonic acid is in reality a mixture of hydrofluoric acid and pentafluoride antimony. ... Write an ionic equation, including state symbols, for the reaction that takes place ... when sulfuric acid is added to solution Y. Answer. The RGO/CuS composite prepared by solvothermal methods exhibited a maximum specific capacitance of 906 F g –1 at 1 A g –1, excellent cycling stability (89% retention after 5000 cycles at 5 A g –1), and a high energy density of 105.6 W h kg –1 (at 2.5 kW kg –1). [ef34], What do we call a negatively charged ion? It is commonly used in chemical processing, e.g. [2 marks] Group 2 metal ion Ionic equation . [eh-15], Which of the following is the correctly balanced electrode half equation for the anode in the electrolysis of acidified water? Sulfuric acid is also known as Mattling acid or Oil of vitriol. 1. Lithium oxide and sulphuric acid reacts to form lithium sulphate and water. Given the following half-equation for what may happen on the surface of an electrode in electrolysis. Li2O (s) + H2SO4 (aq) = Li2SO4 (aq) + H2O (l) . The water will dilute and carry off some heat that the sodium carbonate or bicarbonate produces when it neutralizes the acid. This will neutralize light acids such as vinegar, or even toxic, strong acids such as muriatic and sulphuric acids. Rao, in Encyclopedia of Toxicology (Third Edition), 2014 Uses. That doesn’t make anything ionic. Experimental procedure 2.1 Preparation of graphene oxide by a modified hummer’s method In typical procedure, graphene oxide (GO) was produced using modified hummers method from pure graphite powder. It is used as an absorbent for nitrogen oxides, an ingredient of freezing mixtures, an oxidizer in rocket propellants, and a nutrient for yeast and antibiotics. Chlorine is a yellow-green gas at room temperature. In the electrolysis of water acidified with sulfuric acid, using carbon/platinum electrodes, what product is formed on the surface of the negative cathode? If 1.0 mole of copper(II) nitrate decomposes, how many moles of nitrogen dioxide would be formed? Register to know more about the importance of H2SO4 and its structure in depth from the expert faculties at BYJU’S. The equation for the ... €€€€ Write an ionic equation for a neutralisation reaction, including state symbols. Since there is a 1:1 ratio of sulfuric acid and lithium salts, the moles of lithium salt formed will be 0.03 moles. Copper oxide was added. 5. 0 7 . Pour the baking soda directly into a spill of acid. Is sulfuric acid ionic or molecular? Copper has no reaction with dilute hydrochloric acid or dilute sulfuric acid. Is sulfuric acid ionic or molecular? It is a syrupy liquid which is odourless and has no colour. (adsbygoogle = window.adsbygoogle || []).push({}); When copper(II) sulfate solution undergoes electrolysis using carbon/platinum electrodes the product at the positive anode is? It is perhaps the most important heavy industrial chemical, with large-scale uses in a wide range of industries. The water will dilute and carry off some heat that the sodium carbonate or bicarbonate produces when it neutralizes the acid. Water forms a compromise between H2O and H3O+ and -OH. ... €€€€€€€€€ “Some of the acid was warmed. 1 (Total marks for Question 8 = 9 marks) ... equation) correct references to haemoglobin /blood carries less The fact that it ionizes readily is insignificant to debate. Chlorine is a chemical element with the symbol Cl and atomic number 17. 5. Can you neutralize sulfuric acid with water? Your email address will not be published. a) 0.50 mol b) 4.0 mol c) 1.0 mol d) 2.0 mol e) 6.0 mol It can be prepared by the reaction of magnesium metal with an acid. Copper(II) nitrate decomposes upon heating to form copper(II) oxide, nitrogen dioxide gas, and oxygen gas. [ef33], What do we call the negative electrode in an electrolysis cell? Anhydrous sulfuric acid has a dielectric constant of around 100 and is a very polar liquid. Sulfuric acid is a compound with covalence, since all the bonds are covalent. Water forms a compromise between H2O and H3O+ and -OH. Given the following half-equation for what may happen on the surface of an electrode in electrolysis. P.S. Required fields are marked *. ]. a. That doesn’t make anything ionic. [ef36]. [eh-20], EMAIL query?comment, BUT quote Q database number [? [ef6], In the electrolysis of water acidified with sulfuric acid, using carbon/platinum electrodes, what product is formed on the surface of the negative cathode? [eh-16], Which of the following is the correctly balanced electrode half equation for the cathode in the electrolysis of copper(II) sulfate with carbon electrodes? What is the world’s strongest acid? Ammonium nitrate is used commonly in fertilizers; in pyrotechniques, herbicides, and insecticides; and in the manufacture of nitrous oxide. Which of the following is the correctly balanced electrode half equation for the cathode in the electrolysis of acidified water? Moles of sulphuric Acid = 15*2/1000 ( moles = Concentration X Volume)= 0.03 moles. Douse with the baking soda (sodium bicarbonate, NaHCO3) the entire contaminated region to neutralize the acid. [ef7], In the electrolysis of water acidified with sulfuric acid, using carbon/platinum electrodes, what product is formed on the surface of the positive anode? oxide from sulfuric acid 1 (d) copper(II) sulfate/the crystals are less soluble in cold water (than in hot water) ... ionic compounds do not normally conduct when solid . Sulfuric acid (H2SO4) is a strong acid with hygroscopic and oxidizing properties. A lithium-ion battery or Li-ion battery is a type of rechargeable battery.Lithium-ion batteries are commonly used for portable electronics and electric vehicles and are growing in popularity for military and aerospace applications.