For simplicity just select CHCH, but in an actual balanced equation only whole numbers are used so that we get the equation below. You are responsible for all costs incurred in your account, including purchases made by you or persons you use to use your account or sub-account or affiliated account (including those with implicit, actual or apparent authority) or Allow a winner s Access to Your account because you do not protect your approval information. We do not sell, license or share information that our customers provide individually Identify companies, organizations or persons outside of Eid, unless one of the following conditions applies. This license is for the sole purpose of enabling you to use and avail yourself of the services provided in the manner permitted by these terms and conditions and any additional terms. You allow us to obtain and use updated information from the publisher of your payment method in accordance with the policies and procedures for each of the badges. Give one problem caused.ħ © UCLES 2012 0620/22/O/N/12 [Turn over For Examiner’s Use 4 The process of distillation is used in an oil refi nery to separate petroleum into different.The former bromide can now attack the back of the bromine ion, open the 3-membered ring and add anti to form a dibromoalkane (1,2-dibromoethane in this example). You may use a pencil.Ħ Do not write outside the box (06) G/T94145/Jun13/8402/1 3 Poly(ethene) is a polymer with many uses. READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in. You may need to use a pencil for any diagrams, graphs or rough working. READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name in the spaces at the top of this page. UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certicate of Secondary Education *2998687209* CHEMISTRY Paper 2 Candidates answer on the Question Paper. Organic Chemistry Homework 2 - Alkanes and Alkenes Name: ………………………………………. UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certi cate of Secondary EducationĪlkane and Alkene 1. The minimum energy to produce a 360-degree bond rotation is called the rotational. Rotating a molecular substructure about a twistable bond usually requires energy.
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