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Section A. For each question there are four possible answers, A, B, C and D. Choose the one you consider to be correct. Use of the Data Booklet may be appropriate for some questions. 1 Manganese and nitrogen can show a range of different oxidation states. Calculate the sum of the oxidation states of Mn and N in each row of the table.
Answer all questions. Use a black or dark blue pen. You may use an HB pencil for any diagrams or graphs. Write your name, centre number and candidate number in the boxes at the top of the page. Write your answer to each question in the space provided. Do not use an erasable pen or correction fluid.
Answer all questions. Use a black or dark blue pen. You may use an HB pencil for any diagrams or graphs. Write your name, centre number and candidate number in the boxes at the top of the page. Write your answer to each question in the space provided. Do not use an erasable pen or correction fluid.
(i) Complete the ‘dot-and-cross’ diagram to show the bonding in a molecule of SCl 2. Show outer electrons only. [1] (ii) Complete and fully label the reaction pathway diagram for the reaction between S 2 Cl 2 and Cl 2. Include labels for activation energy, E a, and enthalpy change of the forward reaction, ΔH. energy progress of reaction S ...
2 paź 2024 · What is the product of the reaction? Cu2S. Study with Quizlet and memorize flashcards containing terms like Does the substance (product) resemble copper?, Is it possible to bend the product without breaking it? Handle it with tongs or forceps?, What color is the product? and more.
the sulfur atom has four bonds. Draw a 'dot-and-cross’ diagram of SOCl 2. Show the outer shell electrons only. [2] (b) When SOC l 2 is reacted with a carboxylic acid to produce an acyl chloride, two acidic gases are formed. SOCl 2 (l) + RCO 2 H(l) RCOCl (l) + SO 2 (g) + HCl (g) A 1.00 g sample of a carboxylic acid RCO 2
Displacement reactions can be used to determine the order of reactivity of metals such as lead (Pb), nickel (Ni), and silver (Ag). The ionic equation for a displacement reaction is shown.
