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vegetable marrow make out 71 Candidate Number ADVANCED general Certificate of Education January 2010 Chemistry sagacity Unit A2 1 assessing *A2C11* staff 4: Further Organic, forcible and Inorganic Chemistry [A2C11] THURSDAY 21 JANUARY, AFTERNOON duration 1 hour 30 minutes. INSTRUCTIONS TO CANDIDATES Write your centralise Number and Candidate Number in the spaces provided at the enligh mash drug of this page. resolution every last(predicate) fifteen questions. Answer each ten questions in Section A. Record your answers by home run the allot letter in the answer sheet provided. mathematical function precisely the spaces numbered 1 to 10. Keep in sequence when answering. Answer all five questions in Section B. Write your answers in the spaces provided in this question paper. INFORMATION FOR CANDIDATES A2C11 For Examiners manipulation solitary(prenominal) Question Number Marks Section A 110 Section B 11 12 13 14 15 Total Marks The total oppose for this paper is 90. Quality of indite communication will be assessed in question 11(a). In Section A all questions carry equal marks, i.e. deuce marks for separately question. In Section B the figures in brackets printed down the right-hand expression of pages indicate the marks awarded to all(prenominal) question or part question. A Periodic put off of Elements (including some data) is provided.

5886 Section A For each of the questions only unmatchable of the lettered responses (AD) is mend. Select the correct response in each case and mark its enroll letter by connecting the dots as illustrated on the answer sheet. 1 Which wizard of the followers invariabl y has units? A B C D Ka Kc pH pKa 2 A ! mixed gave a precipitate with 2,4-dinitrophenylhydrazine, but did non reduce acidified potassium dichromate. To which variant of compounds does it belong? A B C D alkenes aldehydes ketones esters 3 Which one of the following oxides dissolves in pee to form an basic solution? A B C D sodium oxide phosphorus pentoxide silicon dioxide sulphur trioxide 4 Which one of the following compounds reacts with...If you want to get a full essay, run it on our website: OrderEssay.net

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