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XII-CBSE-CHEMISTRY 2015 - P,D AND F- BLOCK ,CO-ORDINATION CHEMISTRY IMP QUESTION

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XII.CHEMISTRY CBSE 2015 MODEL PAPER SET -1

                  SAMPLE QUESTION PAPER                            CHEMISTRY (043)                         CLASS- XII - (2014-15) : Time Allowed: 3 Hrs                                                             Maximum Marks 70 General Instructions: 1. All questions are compulsory. 2. Question No. 1-5 are very short answer questions and carry 1 mark each. 3. Question No. 6-10 is short answer questions and carries 2 marks each. 4. Question No. 11-22 is also short answer questions and carries 3 marks each. 5. Question No. 23 is value added questions and carry 4 marks. 6. Question No. 24-26 carry 5 marks 7. Use log tables if necessary, use of calculators is not allowed. 1. Why a Schottky defect is formed when calcium chloride is added to silver chloride crystal? 2. Give the IUPAC name of .        CH 3 -CH(OH)-CH(Cl)-COOH 3.Which compound give faster electrophilic substitution reaction   be

XII-CHEMISTRY CBSE 2015 MODEL PAPER SET - 1

                  SAMPLE QUESTION PAPER                            CHEMISTRY (043)                         CLASS- XII - (2014-15) : Time Allowed: 3 Hrs                                                             Maximum Marks 70 General Instructions: 1. All questions are compulsory. 2. Question No. 1-5 are very short answer questions and carry 1 mark each. 3. Question No. 6-10 is short answer questions and carries 2 marks each. 4. Question No. 11-22 is also short answer questions and carries 3 marks each. 5. Question No. 23 is value added questions and carry 4 marks. 6. Question No. 24-26 carry 5 marks 7. Use log tables if necessary, use of calculators is not allowed. 1. Why a Schottky defect is formed when calcium chloride is added to silver chloride crystal? 2. Give the IUPAC name of .        CH 3 -CH(OH)-CH(Cl)-COOH 3.Which compound give faster electrophilic substitution reaction   be