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\~ SAMPLE PAPER CLASS 11,5, PART-II CLASS) General Instructions:- 1). [There are a total of 28 questions and four sections in the question paper. All questions are compulsory | 2), _ [Section (A) contains question no. 1 to 7, very short answer questions of one mark each. 3).__ [Section (B) contains question no. 8 to 13, short answer questions of two mark each 4) Section (C) contains question no. 14 to 25, also short answer questions of three mark each. | 5). _ [Section (D) contains question no. 26 to 28,long answer questions of five mark each.__| 6). | There is no overall choice. However an internal choice has been provided in two questions| lof two marks, four questions of three marks and all the three questions of five marks) weightage. You have to attempt only one of the choices in such questions. 7). _ [Use log tables, if necessary. Use of calculators is not allowed. [ SECTION-A. I 7X 1 mark =7 marks LJ Q1 ‘Crystalline solids are anisotropic in nature’, What does the statement mean? Q2 If both adsorption and absorption takes place simultaneously, the process is called Q3 What is IUPAC name of [Co(NH;)scl]cl, Q4 Phenol is less acidic than:- a) Ethanol b) O- nitrophenol ¢) O-methylphenol d) O-methoxyphenol Q5 The IUPAC name of CH;—CH— C —CH—-CH, 1 ii o4 NO, O CH, is 4-Methylpent-3-en-2-one (True/False) Q6 Ammonolysis of alkyl halides to give amines is an example of reactions. Q7 Vitamin Ais - a) Ascorbic acid b) Retinol c) Calciferol d) Thiamine [ SECTION- B I 6X2 mark = 12 marks L_] Q8 Describe any two of the techniques used for preventing corrosion of metals Q9 Derive integrated rate equation for first order reaction. class XII (Feb 2020) 1 Scanned with CamScanner A AnyScanner 
