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KENDRIYA VIDYALAYA, NEWCANT, ALLAHABADHALF YEARLY EXAMINATION-2016CHEMISTRY (Theory) TIME: 03hrs. Class XII Maximum Marks : 70MARKING SCHEMEQ.NoQuestionsMarks1Correct definition122 Bromo-1-methoxypropane13Correct structure14Correct arrangement15chemisorption16 Correct definition27First orders-11+1=28Correct definition1+1=29Correct reaction210Correct explanationMisch metal 1111 Monds processRection vanArkel methodcorrect reaction 1.51.512 Correct definition1×3=313 Correct calculation314Correct calculation315 Correct definitionCorrect calculation1216Correct product of the reaction1×3=317Correct state of hybridisation Correct shape Correct IUPAC name11118Correct equation1×3=319Correct equationCorrect product1220Correct reactionCorrect poduct 1×3=321Correct name & structure of monomer11122Correct product of the reaction(1×3)=3323Any two valueDibaetesAspartame /alitameCorrect explanation 111124(a)Correct chemical reaction (b ) tollens test Iodoform testOr (a)Correct chemical reaction (b ) correct test 1×3=3111×3=31×2=225(a)Correct explanation (b) correct structureOr(a)Correct explanation (b) correct structure1×3=321×3=3226 (a)Correct explanationCorrect formula &Correct substitutionCorrect calculationResultOr(a)Correct cathodic anodic reaction(b)Correct formula &Correct substitutionCorrect calculationResult1×2=211123 ................
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