Part II SECTION I : One or more options correct Type

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1 [1] JEE Advaned 2013/ Paper -2 Part II SECTION I : One or more options orret Type This setion ontains 8 multiple hoie questions. Eah question has four hoies (A), (B), (C) and (D), out of whih ONE or MORE are orret. 21. The major produt(s) of the following (are) OH aqueous Br2b3. 0 equivalents g SO 3 H Ans: (B) (A) P (B) Q (C) R (D) S 22. After ompletion of the reation (I and II), the organi ompound(s) in the reation mixtures is (are) Reation I: b g Br mol aqueous/ NaOH Reation II : Br2b1. 0 mol g CH3COOH CHBr 3 T U (A) Reation I : P and Reation II : P (B) Reation I : U, aetone and Reation II : Q aetone (C) Reation I : T, U, aetone and Reation II : P (D) Reation I : R, aetone and Reation II : P Ans: (A, C)

2 [2] JEE Advaned 2013/ Paper The K sp of Ag2CrO4 solution is 12 is at 298K. The solubility(inmol/l) of Ag CrO 2 4 in a0.1 M AgNO 3 is (A) (B) (C) (D) Ans: (B) CrO 2 4 K Ag eq b 12 g M 24. In the following reation, the produt(s) formed is(are) CHCl3 OH (A) P (major) (B) Q (major) (C) R (minor) (D) S (major) Ans: (B, D) 25. The arbon-based redution method is NOT used for the extration of (A) tin from SnO 2 (B) iron from Fe O 2 3 (C) aluminium from Al 2 O 3 (D) magnesium from MgCO CaCO Ans: (C, D) The thermal dissoiation equilibrium of CaCO3 ( s) is studied under different onditions. CaCO 3 ( s) CaO ( s ) CO ( g ) 2 For this equilibrium, the orret statement(s) is (are) (A) H is dependent on T (B) K is independent of the initial amount of CaCO 3 (C) K is dependent on the pressure of CO 2 at a given T (D) H is independent of the atalyst, if any Ans: (A, B, D)

3 [3] JEE Advaned 2013/ Paper The orret statement(s) about O 3 is (are) (A) O O bond lengths are equal. (B) Thermal deomposition of O 3 is endothermi (C) O 3 is diamagneti in nature. Ans: (A, C, D) 28. In the nulear transmutation 9 4 b 8 Be X 4Be Y X, Yg is (are) (A), n Ans: (A, B) (D) O 3 is diamagneti in nature b g (B) bp, Dg (C) bn, Dg (D) b, pg Setion II : Paragrah Type This setion ontains 4 paragraphs eah desribing theory, experiment, data et. Eight questions relate to four paragraphs with two questions on eah paragraph. Eah question of a paragraph has only one orret answer among the four hoies (A), (B), (C) and (D). P and Q are isomers of diarboxyli aid C4H4O4 anhydride. Paragraph for Questions 29 and 30. Both deolorize Br2 / H2O. On heating, P forms the yli Upon treatment with dilute alkaline KMnO 4, P as wall as Q ould produe one or more than one from S, T and U. S T U 29. Compounds formed from P and Q are, respetively (A) Optially ative S and optially ative pair (T, U) Ans: (B) (B) Optially inative S and optially inative pair (T, U) (C) Optially ative pair (T, U) and optially ative S (D) Optially inative pair (T, U) and optially inative S

4 [4] JEE Advaned 2013/ Paper In the following reation sequenes V and W are, respetively H2 Q / Ni V AlCl anhydrous + V 3b g 1. ZnHg/ HCl W 2. H3PO4 (A) and (B) and (C) and (D) and Paragraph for Questions 31 and 32 An aqueous solution of a mixture of two inorgani salts, when treated with dilute HCl, gave a preipitate (P) and a filtrate (Q). The preipitate P was found to dissolve in hot water. The filtrate (Q) remained unhanged, when treated with H 2 S in a dilute mineralaid medium. However, it gave a preipitate (R) with H 2 S inan ammoniaal medium. The preipitate R gave a oloured solution (S), when treated with H 2 O 2 in an aqueous NaOH medium. 31. The preipitate P ontains (A) Pb 2 (B) Hg 2 2 (C) Ag (D) Hg The oloured solution S ontains Ans: (D) (A) Fe SO 4 3 b g (B) CuSO 4 (C) ZnSO 4 (D) Na CrO Paragraph for Questions 33 and The reations of Cl 2 gas with old-dilute and hot onentrated NaOH in water give sodium salts of two (different) oxoaids of hlorine, P and Q, respetively. The Cl 2 gas reats with SO 2 gas, in presene of haroal, to give a produt R. R reats with white phosphorus to give a ompounds S. On hydrolysis, S gives an oxoaid of phosphorus, T.

5 [5] JEE Advaned 2013/ Paper P and Q, respetively, are the sodium salts of (A) hypohlorus and hlori aids (C) hlori and perhlori aids (B) hypohlorus and hlorus aids (D) hlori and hypohlorus aids SO Cl SO Cl SO Cl ( ) P 4 PCl 10 SO PCl 4 H O H PO HCl R, S and T, respetively, are (A) SO2Cl2, PCl5 and H3PO4 (B) SO2Cl2, PCl3 and H PO (C) SOCl 3 3, PCl and H3PO2 (D) SOCl2, PCl5 and H PO Paragraph for Questions 35 and 36 A fixed mass 'm' of a gas is subjeted to transformation of states from K to L to M to N and bak to K as shown in the figure K L Pressure N M Volume 35. The sueeding operations that enable this transformation of states are (A) Heating, ooling, heating, ooling (B) Cooling, heating, ooling, heating Ans: (C) (C) Heating, ooling, ooling, heating (D) Cooling, heating, heating, ooling 36. The pair of isohori proesses among the transformation of states is (A) K to L and L to M (B) L to M and N to K Ans: (B) (C) L to M and M to N (D) M to N and N to K

6 [6] JEE Advaned 2013/ Paper -2 Setion III : Mathing List Type This setion ontains 4 multiple hoie questions. Eah question has mathing lists. The odes for the lists have hoies (A), (B), (C) and (D), out of whih ONLY ONE is orret. 37. The standard redution potential data at 25 0 C is given below. h h, h ;, h b g b g, h ;, h E Fe, Fe V; 0 2 E Fe, Fe V 0 2 E Cu Cu V 0 E Cu Cu V 0 E O g 4H 4e 2H O 123. V; E O g 2H O 4e 4OH V Ans: (D) E Cr Cr V 0 3 E Cr Cr V Math E 0 of the redox pair in list I with the values given in List II and selet the orret answer using the ode given below the lists. List I List II 0 (P) E Fe 3, Feh (Q) E 4H2O 4H 4OH (R) E Cu Cu 2Cu h (S) E Cr, Cr h Codes: (A) (B) (C) (D) V. V. V. V

7 [7] JEE Advaned 2013/ Paper An aqueous solutionof X is added slowlyto an aqeuoussolution of Y asshown in the ListI. The variationin ondutivity of these reations is given in List II. Math List I with List II and selet the orret answer using the ode given below the lists. List I List II b g 1. Condutivity dereases and then inreases (P) C2H5 N 3 CH 3COOH X Y (Q) CH 3COOH KOH 2. Condutivityinreases and then does not hange muh X Y (R) CH 3COOH KOH 3. Condutivityinreases and then does not hange muh X Y (S) NaOH HI 4. Condutivitydoes not hange muh and then inresaes X Y Codes: (A) (B) (C) (D) Math the hemial onversions in List I with the appropriate reagents in List II and selet the orret answer using the ode given below the lists. List I List II b g b g b g (P) 1. i Hg OA ii NaBH, 4 (Q) 2. NaOEt (R) 3. Et Br (S) 4. i BH, ii H O / NaOH Codes: (A) (B) (C) (D) b g b g 3 2 2

8 [8] JEE Advaned 2013/ Paper The unbalaned hemial reations given in List I show missing reagent or ondition () whih are provided in List II. Math List Iwith List II and selet the orret answer using the ode given below the lists. List I List II (P) PbO H SO PbSO O other produt 1. NO (Q) Na S O H O NaHSO other produt 2. I 2 Ans: (C) (R) N H N other produt 3. Warm (S) XeF Xe other produt 4. Cl 2 2 Codes: (A) (B) (C) (D)