At the end, the pH was found to be 2. (a) Give the name of reagent which when reacted with concentrated hydrochloric acid produce chlorine gas. (a) Identify the light green solid.

Explain why or why not. (a) Explain why calcium oxide is not used to dry hydrogen gas? (a) Name: (a) Write the equation for the reaction Give reason.

Let us know your assignment type and we'll make sure to get you exactly the kind of answer you need. , Free Printable Periodic Tables (PDF and PNG), List of Electron Configurations of Elements, Periodic Table For Kids With 118 Elements. (b) State two uses of sodium hypochlorite. (iv) Write an equation for the reaction that occurs in tube B. The following two tests were carried out on chlorine water contained in two testtubes: (i) Complete the diagram to show how a dry sample of chlorine gas can be collected Why is chlorine passed through water in the preparation of chlorine gas? In an experiment, chlorine gas was passed into moist hydrogen sulphide in a boiling tube as shown in the diagram. (b) (i) Explain the following observations: Chlorine gas can be accidently produced by combining cleaning products that containing bleach with those containing ammonia. it as soon as possible. (c) Propene gas molecules are converted into a giant molecules. The diagram below shows a set up for the laboratory preparation and collection of dry chlorine gas. (b) Write an equation for the reaction which took place in the tube. (a) What observation was made in the boiling tube? The equation below represents a redox reaction. and start again.

The diagram below represents the set up that was used to prepare and collect hydrogen chloride gas in the laboratory. (b) Using an ionic equation, explain why the reaction is redox. A gas jar full of chlorine water was inverted over water and allowed to stand for some time.

During an experiment, chlorine gas was bubbled into a solution of potassium iodide. (II) Calcium oxide would be preferred to calcium chloride in the guard tube. (a) In an experiment, dry hydrogen chloride gas was passed through heated zinc turnings as shown in the diagram below. to access the full features of the site or access our. Solid Q Name the process which takes place when: (b) What will happen to the PH of the solution in the beaker after one day? Hydrogen chloride gas can be prepared by reacting sodium chloride with an acid. (b) Chlorine gas is prepared by reacting concentrated hydrochloric acid with manganese (IV) oxide. \[\ce{CaOCl2 + 2HCl -> CaCl2 + H2O + Cl2}\], \[\ce{CaOCl2 + H2SO4 -> CaSO4 + H2O + Cl2}\], 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. (i) Write the equation for the reaction between concentrated hydrochloric acid and manganese (IV) oxide. (b) Write the equation for the reaction between chlorine and hot concentrated potassium hydroxide. (I) It is necessary to pass chlorine gas through the apparatus before heating begins. (a) A piece of blue flower was dropped into the first test-tube. (b) What is the purpose of the glass beads? (iv) Write an equation for the reaction in the combustion tube. An atom that has gained or lost electrons is called an ___. (a) The set-up below was used to prepare dry hydrogen chloride gas, and investigate its effect on heated iron filings. 1. © 2022 Tutorke Limited. (I) a white precipitate is formed when hydrogen chloride. (b) Name one drying agent for hydrogen chloride gas. (a) State the observations made. #3CI_2(g) + 6NaOH(aq) to NaCIO_3(aq) + 5NaCI_2(aq) +3H_2O(l)#. Chlorine is a greenish-yellow gas that isn't found free in nature because it's highly reactive. (ii) What is the role of manganese (IV). Arrange the elements in order of their increasing reactivity. When excess chlorine gas was bubbled into hot concentrated sodium hydroxide, the following reaction occurred. Latest answer posted March 30, 2014 at 12:18:25 AM. The reaction between hot concentrated sodium hydroxide and chlorine produces sodium chlorate (V), sodium chloride and water. (b) A red litmus paper turns white when dropped into chlorine water. (ii) Give the formula of another reagent that can be reacted with concentrated hydrochloric acid to produce chlorine gas. #2FeCl_2(aq) + Cl_2(g) to 2FeCl_3(aq)#. (iii)What will be observed in tube B (b) Write an equation for the reaction between dry hydrogen chloride gas and heated iron. Why is atomic mass important for the student to understand? Who are the experts?Our certified Educators are real professors, teachers, and scholars who use their academic expertise to tackle your toughest questions. (ii) Name liquid M. team for assistance. (a) The table below shows some properties of chlorine, bromine and iodine.

\[\ce{PbO2 + 4HCl -> PbCl2 + 2H2O + Cl2}\], \[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\], \[\ce{2KMnO4 + 16HCl -> 2KCl + 2MnCl + 8H2O + 5Cl2}\], \[\ce{K2Cr2O7 + 14HCl -> 2KCl + 2CrCl3 + 7H2O + 3Cl2}\]. study it and answer questions that follow. (a) Write down the equation for the reduction process. (a) Identify the gas (c) State two uses of hydrogen chloride. (i) Explain why: Our summaries and analyses are written by experts, and your questions are answered by real teachers. (a) What is meant by the term bleaching? It's toxic to living things.

Because it's a heavy gas it displaces air near the ground and creates a health hazard. (b) At the beginning of the experiment, the pH of the solution in container L was about 14. Figure 3 shows a set-up used by a student to prepare dry chlorine gas in the laboratory. Under certain conditions, chlorine gas reacts with sodium hydroxide to form sodium hypochlorite.

eNotes.com will help you with any book or any question. Lemon juice is acidic and weakens paper. (c) State the role of chlorine in water treatment. Our engineers have been automatically notified of this error and will work to resolve (a) State the purpose of concentrated sulphuric (VI) acid in the wash bottle. (a) Name substance X It's found in many compounds, the most common being NaCl which is abundant in sea water. Rank the following items in order from largest to smallest: cell, chromosome, gene, DNA, organism, nucleus. (b) In an experiment, dry chlorine gas was reacted. (a) Solid carbon (IV) oxide (dry ice) changes directly into gas (b) Write the formula of the bleaching agent formed when chlorine gas reacts with aqueous sodium hydroxide. State and explain what would happen if a dry red litmus paper was dropped in a gas jar of dry chlorine. The diagram below is part of a set up used in the laboratory preparation of a gas. Please try again later, or return to the home page (a) State the purpose of concentrated sulphuric acid in the wash bottle. The diagram below represents the set up that was used to prepare and collect hydrogen chloride gas in the laboratory. When bleaching powder is treated with mineral acids chlorine is liberated. (c) Write an equation for the reaction that occurred in the boiling tube. II. If the problem persists, please contact our Technical Support What are the four basic functions of a computer system? (b) Give one use of sodium chlorate (V). 3. Study it and answer the questions that follow. (iii) Describe how chlorine gas could be dried 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. Give an explanation. It can also be prepared by oxidising hydrochloric acid using various oxidising agents such as manganese dioxide, lead dioxide, potassium permanganate or dichromate. Do magnesium and chlorine form an ionic bond or a covalent bond? (c) What precaution should be taken in carrying out this experiment? What would life would be like if nobody had ever studied, From the article: Molecules with Strange Names. (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. Identify the reducing agent. (iii) Write an equation for each of the following I. chlorine gas reacting with How will you prepare chlorine in the laboratory? (i) Name: (b) The second test-tube was corked and exposed to sunlight. (i) Substance G During a class experiment, chlorine gas was bubbled into a solution of potassium iodide (b) Explain the observation made in (a) Chlorine gas can be prepared in laboratory with hydrochloric acid and manganese-dioxide. (b) Chlorine can be prepared by using the, The equation below represents a redox reaction. The diagram below represents a set up for large scale manufacture of hydrochloric acid. The site has encountered an unexpected error and this page is currently unavailable. (a) Two reagents that can be used to prepare chlorine gas are manganese (IV) oxide and concentrated hydrochloric acid. (b) A student set out to prepare iron (III) chloride using the apparatus shown in the diagram below.

Potassium permanganate solution changes colour when poured into sodium hydroxide and sugar solution. (iii) How would the total mass of the tube V and its contents compare before and after the experiment?Explain. (ii) A suitable drying agent Gas R 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. Identify three mistakes in the set-up, and give a reason for each. Latest answer posted August 05, 2020 at 9:57:07 PM. (a) State the observation made (c) Give two uses of hydrochloric acid. What are the imaginary lines that run from the north to south pole on a map? (b) Which substance is oxidized? Glycerin spontaneously ignites when poured over potassium permanganate pile. (ii) Name the substance in flask B. Poem | Chemistry | the virtual school. Calcium oxide can be used to dry ammonia gas. #Mg(s) + 2HCI(aq) to MgCI_2(aq) +H_2(g)# When a blue litmus paper was dipped into the water in the beaker at the end of the. In which product did chlorine undergo oxidation? (a) State the observation made in the boiling tube \[\ce{4NaCl + MnO2 + 4H2SO4 -> Cl2 + MnCl2 + 4NaHSO4 + 2H2O}\]. (i) What is the function of water in the flask? 2. 2. You do not have JavaScript enabled. What are the three parts of the cell theory? Give a reason, What is the oxidation number of chlorine in #CIO^(-)4#. Complete the diagram to show how a dry sample of the gas can be collected. (b) Write an equation for the reaction between dry hydrogen chloride gas and heated iron. (b) By using only dilute hydrochloric acid, describe how a student would distinguish between barium sulphite from barium sulphate. Complete the following table by filling in the missing test and observations. (i) Give a pair of reagents that will produce hydrogen chloride gas in flask A. (a) State and explain what would happen if a dry litmus paper was dropped in gas jar of chlorine. (a) Write an equation for the reaction between sodium chloride and the acid. (b) Using an ionic equation, explain why the reaction is redox. Chlorine is prepared by the action of cone, sulphuric acid on chlorides in presence of manganese dioxide. splint. (i) Write an equation for the reaction (i) Name substance L (c) Hydrogen chloride gas is dissolved in water to make hydrochloric acid.State one use of hydrochloric acid. State and explain the observation made when excess ammonia gas reacts with chlorine gas. Explain. iron Complete the table by giving the missing information in (i), (ii) and (iii). chlorine gas reacting with hot concentrated. (b) What property of chlorine makes it possible for it to be collected as shown in the diagram? (v) Why is the gas from tube B burnt? (ii) Name another substance that could serve the same purpose as the concentrated sulphuric (VI) acid.

(ii) Name another substance and condition that can be used instead of manganese(IV) oxide. Liquid P 1. (b) Give two chemical properties of hydrogen chloride gas. 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`. (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? 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.

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After a few days, it was found to contain a gas that rekindled a glowing Explain the observation made when chlorine gas is passed through a solution of potassium iodide. (a) State and explain two observations made in the gas jar after some time. (iii) State the observation made in the combustion tube. The information below relates to elements L, Q, R and T. the letters do not represent the actual symbols of the elements. 2022 eNotes.com, Inc. All Rights Reserved. Educators go through a rigorous application process, and every answer they submit is reviewed by our in-house editorial team. (a) The diagram in Figure 4 was used to prepare hydrogen chloride gas which was passed over heated iron powder. Write an equation for the reaction which produced the gas. When paper. After one day, a gas was found to have collected in the test tube 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. (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. (iii) Explain the following observation. 2006-2022 Fanpop, Inc., All Rights Reserved. (a) Name the condition under which sodium hydroxide reacts with chlorine to form sodium hypochlorite. (a) The diagram below is part of a set up used to prepare and collect dry chlorine gas. (ii) Write equations for the reactions that took place in the tubes S and V. The set up below was used to prepare hydrogen chloride gas and react it with iron powder. Explain why the flower ached. At the end of the reaction, the iron powder turned into a light green solid. Please enable JavaScript The diagram below shows a set up for the laboratory preparation and collection of dry chlorine gas.