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Give one characteristic chemical property of each. (b) What is a detergent? Name one detergent. (c) Why have detergents replaced soap as a washin... 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh Describe, giving equation, a chemical reaction which is characteristic of saturated hydrocarbons (or alkanes). (b) What is an oxidising agent? Name two oxidising agents which can oxidise ethanol to ethanoic acid. 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh What happens when methane (natural gas) burns in air? Write the chemical equation of the reaction involved. (b) What happens when ethanoic acid reacts with sodium carbonate? (c) Write chemical equation of the reaction involved. 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh Explain the process of preparation of soap in laboratory. (b) Why is common salt (sodium chloride) added during the preparation of soap? (c) Why is soap not suitable for washing clothes when the water is hard? 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh What happens when ethanol is oxidised with alkaline potassium permanganate (or acidified potassium dichromate)? Write the equation of the reaction involved. (b) Choose those compounds from the following which can turn blue litmus solution red: HC... 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh What happens when ethanol reacts with ethanoic acid in the presence of a little of concentrated sulphuric acid? Write equation of the reaction involved. (b) What happens when ethanol is heated with concentrated sulphuric acid at 170°C? 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh For complete combustion of ethanol, C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(l), the amount of heat produced as measured in bomb calorimeter, is 1364.47 kJ mol^-1 at 25ºC. Assuming ideality the enthalpy of combustion 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh What type of compound is CH3COOH? (b) What substance should be oxidised to prepare CH3COOH? (c) What is the physical state of CH3COOH? (d) State one advantage of soaps over detergents. 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh Name the gas evolved when ethanol reacts with sodium. (b) What type of compound is formed when a carboxylic acid reacts with an alcohol in the presence of cone. H2SO4? 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh Name the functional group of organic compounds that can be hydrogenated. With the help of a suitable example, explain the process of hydrogenation, mentioning the conditions of the reaction and any one change in physical property with the formation o... 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh What would be observed on adding a 5% alkaline potassium permanganate solution drop by drop to some warm ethanol in a test tube? Write the name of the compound formed during the chemical reaction. Also, write chemical equation of the reaction which t... 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh Give reasons for the following observations : (a) Air holes of a gas burner have to be adjusted when the vessels being heated get blackened by the flame. (b) Use of synthetic detergents causes pollution of water. 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh How would you convert: (a) ethanol into ethene? (b) propanol into propanoic acid? Name the process in each case and write the equations of the reactions involved. 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh (a) How would you test for an alcohol? (b) Give the harmful effects of drinking alcohol. (c)Explain why, methanol is much more dangerous to drink than ethanol. 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh What happens when propanoic acid is warmed with methanol in the presence of a few drops of concentrated sulphuric acid? Write equation of the reaction involved. (b) What change will you observe if you test soap solution with a litmus paper (red and ... 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh (a) Write the chemical equation of the reaction which takes place during the burning of ethanol in air. (b) Why is ethanol used as a fuel? (c) State two uses of ethanol (other than as a fuel). 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh Which of the following hydrocarbons will give substitution reactions and why? CH4, C3H6, C3H8, C4H6, C5H12, C5H10 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh The process of burning of a hydrocarbon in the presence of air to give CO2, H2O, heat and light is known as……… (b) The sodium salt of a long chain fatty acid is called 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh Complete and balance the following equations: (a) CH4 + O2 → (b) CH4 + Cl2 + Sunlight → 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh Complete the following equations: (a) CH3CH2OH + Conc. H2SO4 + 170°C→ 3 years ago Jaiyush19 class 10 carbon its compounds lakhmir singh Page 2 / 5 Prev 1 2 3 4 5 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
