(c) State two uses of hydrogen chloride. (iii)What will be observed in tube B Please enable JavaScript The diagram below shows a set up for the laboratory preparation and collection of dry chlorine gas. Under certain conditions, chlorine gas reacts with sodium hydroxide to form sodium hypochlorite. (iii) State the observation made in the combustion tube. (a) The diagram in Figure 4 was used to prepare hydrogen chloride gas which was passed over heated iron powder. The diagram below is part of a set up used in the laboratory preparation of a gas. (ii) Name liquid M. (b) What will happen to the PH of the solution in the beaker after one day? (i) Name substance L (a) Name substance X The diagram below represents a set up for large scale manufacture of hydrochloric acid. Identify the reducing agent. 3. (iii) How would the total mass of the tube V and its contents compare before and after the experiment?Explain. The diagram below represents the set up that was used to prepare and collect hydrogen chloride gas in the laboratory. Latest answer posted September 24, 2015 at 12:35:51 AM, Latest answer posted February 13, 2018 at 10:01:41 AM. State and explain what would happen if a dry red litmus paper was dropped in a gas jar of dry chlorine. Explain. Explain why the flower ached. (a) The set-up below was used to prepare dry hydrogen chloride gas, and investigate its effect on heated iron filings. 2022 eNotes.com, Inc. All Rights Reserved. Hydrogen chloride gas can be prepared by reacting sodium chloride with an acid. If the problem persists, please contact our Technical Support Who are the experts?Our certified Educators are real professors, teachers, and scholars who use their academic expertise to tackle your toughest questions. (i) Substance G State and explain the observation made when excess ammonia gas reacts with chlorine gas. , Free Printable Periodic Tables (PDF and PNG), List of Electron Configurations of Elements, Periodic Table For Kids With 118 Elements. (iii) Write an equation for each of the following I. chlorine gas reacting with \[\ce{4NaCl + MnO2 + 4H2SO4 -> Cl2 + MnCl2 + 4NaHSO4 + 2H2O}\]. Latest answer posted August 05, 2020 at 9:57:07 PM. it as soon as possible. The most way common method of preparing chlorine gas in the laboratory is by using manganese dioxide to oxidize hydrochloric acid, as shown by this equation: The manganese dioxide is heated with concentrated HCl, and the gas produced is bubbled through water to remove any HCl gas present. 2. (a) Write an equation for the reaction between sodium chloride and the acid. (i) Explain why: (a) State and explain what would happen if a dry litmus paper was dropped in gas jar of chlorine. (b) State two uses of sodium hypochlorite. (i) What is the function of water in the flask? Do magnesium and chlorine form an ionic bond or a covalent bond? (b) Write an equation for the reaction which took place in the tube. Chlorine is prepared by the action of cone, sulphuric acid on chlorides in presence of manganese dioxide. At the end, the pH was found to be 2. The diagram below shows a set up for the laboratory preparation and collection of dry chlorine gas. (ii) What is the role of manganese (IV). It's found in many compounds, the most common being NaCl which is abundant in sea water. (b) What property of chlorine makes it possible for it to be collected as shown in the diagram? Why is atomic mass important for the student to understand? chlorine gas reacting with hot concentrated. (v) Why is the gas from tube B burnt? A Member of Townsquare Entertainment News, Preparation of chlorine (gas) in laboratory, The NEW Periodic Table Song Lyrics (In Order), Don't Try This at Home - 3 - Sulfuric Acid and Sugar, Chemistry experiment - KMnO4 + NaOH + sugar, 10.1.13 Discuss the volatility/solubility in water ofcompounds vs functional groups IB Chemistry SL, Basic concepts behind the topics of Organic chemistry, What is an atom? An atom that has gained or lost electrons is called an ___. Poem | Chemistry | the virtual school. (I) a white precipitate is formed when hydrogen chloride. (b) Name one drying agent for hydrogen chloride gas. (a) A piece of blue flower was dropped into the first test-tube. (ii) A suitable drying agent Using the answer from #1, what was learned about the polar nature of the water molecule, explain Latest answer posted May 15, 2016 at 6:20:44 PM. 2006-2022 Fanpop, Inc., All Rights Reserved. Chlorine gas can be accidently produced by combining cleaning products that containing bleach with those containing ammonia. (b) A red litmus paper turns white when dropped into chlorine water. Solid Q (a) Give the name of reagent which when reacted with concentrated hydrochloric acid produce chlorine gas. Rank the following items in order from largest to smallest: cell, chromosome, gene, DNA, organism, nucleus. Give an explanation. It's toxic to living things. (a) Two reagents that can be used to prepare chlorine gas are manganese (IV) oxide and concentrated hydrochloric acid. During an experiment, chlorine gas was bubbled into a solution of potassium iodide. to access the full features of the site or access our. What are the imaginary lines that run from the north to south pole on a map? When excess chlorine gas was bubbled into hot concentrated sodium hydroxide, the following reaction occurred. (a) Write the equation for the reaction What would life would be like if nobody had ever studied, From the article: Molecules with Strange Names. Gas R Study it and answer the questions that follow. When a blue litmus paper was dipped into the water in the beaker at the end of the. \[\ce{CaOCl2 + 2HCl -> CaCl2 + H2O + Cl2}\], \[\ce{CaOCl2 + H2SO4 -> CaSO4 + H2O + Cl2}\], Concept: Group 17 (Halogen Group) Elements, Chapter 3: p-Block Elements - II - Evaluation [Page 98], Tamil Nadu Board Samacheer Kalvi Class 12th Chemistry Volume 1 and 2 Answers Guide, Maharashtra Board Question Bank with Solutions (Official), Mumbai University Engineering Study Material, CBSE Previous Year Question Paper With Solution for Class 12 Arts, CBSE Previous Year Question Paper With Solution for Class 12 Commerce, CBSE Previous Year Question Paper With Solution for Class 12 Science, CBSE Previous Year Question Paper With Solution for Class 10, Maharashtra State Board Previous Year Question Paper With Solution for Class 12 Arts, Maharashtra State Board Previous Year Question Paper With Solution for Class 12 Commerce, Maharashtra State Board Previous Year Question Paper With Solution for Class 12 Science, Maharashtra State Board Previous Year Question Paper With Solution for Class 10, CISCE ICSE / ISC Board Previous Year Question Paper With Solution for Class 12 Arts, CISCE ICSE / ISC Board Previous Year Question Paper With Solution for Class 12 Commerce, CISCE ICSE / ISC Board Previous Year Question Paper With Solution for Class 12 Science, CISCE ICSE / ISC Board Previous Year Question Paper With Solution for Class 10, HSC Science Class 12th Tamil Nadu Board of Secondary Education. (iv) Write an equation for the reaction in the combustion tube. (a) Explain why calcium oxide is not used to dry hydrogen gas? (a) State the observations made. #2FeCl_2(aq) + Cl_2(g) to 2FeCl_3(aq)#. (a) State the purpose of concentrated sulphuric (VI) acid in the wash bottle. (a) Write down the equation for the reduction process. (b) Chlorine gas is prepared by reacting concentrated hydrochloric acid with manganese (IV) oxide. II. (a) The table below shows some properties of chlorine, bromine and iodine. Because it's a heavy gas it displaces air near the ground and creates a health hazard. (a) What is meant by the term bleaching? Explain the observation made when chlorine gas is passed through a solution of potassium iodide. The following two tests were carried out on chlorine water contained in two testtubes: Chlorine gas can be prepared in laboratory with hydrochloric acid and manganese-dioxide. (a) Identify the gas (ii) Name another substance and condition that can be used instead of manganese(IV) oxide. © 2022 Tutorke Limited. (i) Write the equation for the reaction between concentrated hydrochloric acid and manganese (IV) oxide. The set up below was used to prepare hydrogen chloride gas and react it with iron powder. (b) Which substance is oxidized? (b) Explain the observation made in (a) Explain why or why not. (i) Name: (a) In an experiment hydrogen chloride gas was prepared and reacted with aluminium turnings to form a solid Q and gas R as shown below. and start again. Complete the diagram to show how a dry sample of the gas can be collected. Write an equation for the reaction which produced the gas. Calcium oxide can be used to dry ammonia gas. (c) Hydrogen chloride gas is dissolved in water to make hydrochloric acid.State one use of hydrochloric acid. What are the three parts of the cell theory? (b) Chlorine can be prepared by using the, The equation below represents a redox reaction. (b) Give one use of sodium chlorate (V). Figure 3 shows a set-up used by a student to prepare dry chlorine gas in the laboratory. (a) State the purpose of concentrated sulphuric acid in the wash bottle. 1. (a) State the observation made in the boiling tube Chlorine can also be prepared by dripping concentrated hydrochloric acid on potassium permanganate crystals: `2 KMnO_4 + 16 HCl -> 2 MnCl_2 + 2 KCl + 8 H_2O + 5 Cl_2`. 1. (iv) Write an equation for the reaction that occurs in tube B. The equation below represents a redox reaction. #Mg(s) + 2HCI(aq) to MgCI_2(aq) +H_2(g)# (a) In an experiment, dry hydrogen chloride gas was passed through heated zinc turnings as shown in the diagram below. Chlorine is a greenish-yellow gas that isn't found free in nature because it's highly reactive. (b) Write the equation for the reaction between chlorine and hot concentrated potassium hydroxide. A gas jar full of chlorine water was inverted over water and allowed to stand for some time. (b) Using an ionic equation, explain why the reaction is redox. Educators go through a rigorous application process, and every answer they submit is reviewed by our in-house editorial team. The information below relates to elements L, Q, R and T. the letters do not represent the actual symbols of the elements. (iv) Describe a chemical test for hydrogen, A boiling tube filled with chlorine was inverted in a trough containing the same solution and the set-up left in sunlight for about 2 hours. (ii) Give the formula of another reagent that can be reacted with concentrated hydrochloric acid to produce chlorine gas. team for assistance. Let us know your assignment type and we'll make sure to get you exactly the kind of answer you need. (a) Name: (a) Name the condition under which sodium hydroxide reacts with chlorine to form sodium hypochlorite. Arrange the elements in order of their increasing reactivity. The reaction between hot concentrated sodium hydroxide and chlorine produces sodium chlorate (V), sodium chloride and water. You do not have JavaScript enabled. study it and answer questions that follow. (c) Give two uses of hydrochloric acid. (b) (i) Explain the following observations: (b) Give two chemical properties of hydrogen chloride gas. (ii) Name another substance that could serve the same purpose as the concentrated sulphuric (VI) acid. (a) The diagram below is part of a set up used to prepare and collect dry chlorine gas. (a) State and explain two observations made in the gas jar after some time. (i) Give a pair of reagents that will produce hydrogen chloride gas in flask A. (b) Write the formula of the bleaching agent formed when chlorine gas reacts with aqueous sodium hydroxide. Glycerin spontaneously ignites when poured over potassium permanganate pile. (b) What is the purpose of the glass beads? Why is chlorine passed through water in the preparation of chlorine gas? How will you prepare chlorine in the laboratory? #3CI_2(g) + 6NaOH(aq) to NaCIO_3(aq) + 5NaCI_2(aq) +3H_2O(l)#. (iii) Describe how chlorine gas could be dried in the laboratory. (b) A student set out to prepare iron (III) chloride using the apparatus shown in the diagram below. 2. (b) At the beginning of the experiment, the pH of the solution in container L was about 14. \[\ce{PbO2 + 4HCl -> PbCl2 + 2H2O + Cl2}\], \[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\], \[\ce{2KMnO4 + 16HCl -> 2KCl + 2MnCl + 8H2O + 5Cl2}\], \[\ce{K2Cr2O7 + 14HCl -> 2KCl + 2CrCl3 + 7H2O + 3Cl2}\]. When bleaching powder is treated with mineral acids chlorine is liberated. (I) It is necessary to pass chlorine gas through the apparatus before heating begins. After a few days, it was found to contain a gas that rekindled a glowing It can also be prepared by oxidising hydrochloric acid using various oxidising agents such as manganese dioxide, lead dioxide, potassium permanganate or dichromate. (b) Write an equation for the reaction between dry hydrogen chloride gas and heated iron. (c) What precaution should be taken in carrying out this experiment? splint. Potassium permanganate solution changes colour when poured into sodium hydroxide and sugar solution. (ii) Write equations for the reactions that took place in the tubes S and V. What are the four basic functions of a computer system? Complete the following table by filling in the missing test and observations. (a) Identify the light green solid. In which product did chlorine undergo oxidation? (a) State the observation made At the end of the reaction, the iron powder turned into a light green solid. (b) In an experiment, dry chlorine gas was reacted. When paper. Lemon juice is acidic and weakens paper. (i) Write an equation for the reaction (c) Write an equation for the reaction that occurred in the boiling tube. After one day, a gas was found to have collected in the test tube (b) Write an equation for the reaction between dry hydrogen chloride gas and heated iron. Complete the table by giving the missing information in (i), (ii) and (iii). In an experiment, a test tube full of chlorine water was inverted in chlorine water as shown in the diagram below and the set up left in sunlight for one day. (iii) Explain the following observation. Name the process which takes place when: (b) Using an ionic equation, explain why the reaction is redox. Our engineers have been automatically notified of this error and will work to resolve (b) The second test-tube was corked and exposed to sunlight. (a) Solid carbon (IV) oxide (dry ice) changes directly into gas (i) Complete the diagram to show how a dry sample of chlorine gas can be collected (b) By using only dilute hydrochloric acid, describe how a student would distinguish between barium sulphite from barium sulphate. During a class experiment, chlorine gas was bubbled into a solution of potassium iodide All rights reserved. The site has encountered an unexpected error and this page is currently unavailable. (II) Calcium oxide would be preferred to calcium chloride in the guard tube. eNotes.com will help you with any book or any question. (c) Propene gas molecules are converted into a giant molecules. Liquid P (ii) Name the substance in flask B. (a) What observation was made in the boiling tube? Identify three mistakes in the set-up, and give a reason for each. (c) State the role of chlorine in water treatment. iron Our summaries and analyses are written by experts, and your questions are answered by real teachers. (a) Name:(i) Substance G(ii) A suitable drying agent(b) What property of chlorine makes it possible for it to be collected as shown in the diagram? Please try again later, or return to the home page Give a reason, What is the oxidation number of chlorine in #CIO^(-)4#. The diagram below represents the set up that was used to prepare and collect hydrogen chloride gas in the laboratory. Give reason. In an experiment, chlorine gas was passed into moist hydrogen sulphide in a boiling tube as shown in the diagram. Latest answer posted March 30, 2014 at 12:18:25 AM.
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