Solution - Career Point

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MOCK TEST FOR IIT-JEEPAPER - ITime : 3 Hours Total Marks : 240Instructions :• This question paper contains 60 questions in Chemistry (20), Mathematics (20) & Physics (20).• In section -I (8 Ques) of each paper +3 marks will be given for correct answer & –1 mark for wrong answer.• In section -II (4 Ques) of each paper +4 marks will be given for correct answer –1 mark for wrong answer.• In section -III contains 2 groups of questions (2 × 3 = 6 Ques.) of each paper +4 marks will be given for eachcorrect answer & –1 mark for wrong answer.• In section -IV (2 Ques.) of each paper +8(2×4) marks will be given for correct answer & No Negative marking forwrong answer.CHEMISTRYCH 3CH 3sectionquestionwhich ONLYApropanedionefollowing(A)(C)An alkeneproductNH 2compound(A)(B)(C)SECTION – IStraight Objective Typecontains 8 multiple choice questions.choices (A), (B), (C) andONE is correct.bis-aldol dimerization of(C 6 H 5 COCOCH 3 ) gives?OC 6 H 5(B)C 6 H 5 C 6 H 5OO(D) C 6 H 5C 6 H 5O(A), C 16 H 16 on ozonolysisB(C 8 H 8 O). Compound (B) onH 2 SO 4 , ∆ gives N-methyl benzamide.'A', is –C = C HHCHC = CCH 3CH 2 –CH = CH–CH 2(D)Identifysequence:H 3 C–(A) H(B) H(C) H(D) HCH = CHproduct D3— CH 2 CH 2 OH⎯ 3⎯3⎯⎯⎯2 NH →CH3|C — CH 2 C ≡|CH3CH3N(CH| |C — CH 2 CHN(CH|CH3CH3O|– C — CH 2 C |||CH3CH3|C — CH 2 CH|CH3This Each 3. in the following reactionhas 4 (D), out ofCH1. 1-phenyl-1,2-|CK Cr2O7,H⎯⎯which of the|H2O,Heat→ + SOClA ⎯⎯→ 2 BCHI. LiAlH4,etherOC ⎯⎯⎯⎯⎯⎯→DC 6 H 5II. H2O3 C–NC 6 H O5C 6 H 53)22. gives only one3 C–3 ) 2reaction withOH, The3 C N(CH 3 ) 233CH 3 3 C–2 N(CH 3 ) 2XtraEdge for IIT-JEE 52APRIL 2010
4. Consider the following reactions :Reaction I :O OOH 3 COReaction II :OH 3 CCH CH2OH3CF 3⎯r1OO⎯⎯⎯3CF 3⎯r2→ H 3 CCH CH2OH⎯⎯⎯→O+F 3 COOHOOH 3 C OH+F 3 C OWhich of the following is a correct comparison of therate of reactions I and II ?(A) r I = r II(B) r 1 > r II(C) r 1 < r II(D) None5. A container containing HCl(g) is fitted with a funneland a long capillary tube as shown below. Capillaryis immersed in the water. When few drops of water isintroduced intothe container through the funnel then –AHCl(g)(A) there is a pressure drop in the container and liquidlevel in the capillary rises(B) there is a pressure drop in the container becauseHCl(g) effuse out more rapidly than the air effusein(C) HCl(g) undergoes spontaneous dissociation toH 2 (g) & Cl 2 (g), hence number of moles decreases,resulting pressure drop inside the container.Water level in the capillary rises(D) HCl(g) spontaneously mixed with water throughthe capillary therefore, water level in the capillaryremain same6. As per Boyle's law V ∝ 1/P at constant temperature,As per charles law V ∝ T at constant pressure.Therefore, by combining, one concluded that T ∝ 1/Phence, PT = constant(A) PT = constant is correct, because volume remainsame in both the laws(B) PT = constant is incorrect, because volumeremain same at the constant temperature and atthe constant pressure(C) PT = constant is correct, because volume atconstant temperaute and volume at constantpressure are not same(D) PT = constant is incorrect, because volume atconstant temperature and volume at constantpressure for the same amount of gas are different7. Which of the following statements is correct ?(A) (n – 1) d subshell has lower energy than nssubshell(B) (n – 1) d subshell has higher energy than nssubshell(C) (n + 1) d subshell has lower energy than nfsubshell(D) nf subshell has lower energy than (n + 2) ssubshell8. (A), (B) and (C) are elements in the third shortperiod. Oxide of (A) is ionic , that of (B) isamphoteric and of (C) a giant molecule. (A), (B) and(C) have atomic numbers in the order of -(A) (A) < (B) < (C) (B) (C) < (B) < (A)(C) (A) < (C) < (B) (D) (B) < (A) < (C)SECTION – IIMultiple Correct Answers TypeThis section contains 4 multiple correct answer(s) typequestions. Each question has 4 choices (A), (B), (C) and(D), out of which ONE OR MORE is/are correct.9.H+ Ph 3 C ⊕ BF – 4 →HH⊕BF 4 – + Ph 3 CHwhich of the following statements is/are correct -(A) the cation in reactant side is approximately10 11 times more stable than product side(B) cation in reaction side is non planer(C) it is acid base reaction(D) reaction must be exothermicXtraEdge for IIT-JEE 53APRIL 2010
Page 3 and 4: Volume - 5 Issue - 10April, 2010 (M
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Page 7 and 8: Hospital in Parel and ApolloHospita
Page 9: KNOW IIT-JEEBy Previous Exam Questi
Page 12 and 13: CHEMISTRY6. From the following data
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Page 16 and 17: Physics Challenging ProblemsSet #12
Page 18 and 19: 8 QuestionsSolutionSet # 11Physics
Page 20 and 21: 8 QuestionsSolutionSet # 12Physics
Page 22 and 23: PHYSICSSStudents'ForumExpert’s So
Page 24 and 25: If the body loses this heat in time
Page 26 and 27: Perfect gas equation :From the kine
Page 28 and 29: The internal energy of n molecules
Page 30 and 31: * The binding energy per nucleon is
Page 32 and 33: KEY CONCEPTOrganicChemistryFundamen
Page 34 and 35: KEY CONCEPTPhysicalChemistryFundame
Page 36 and 37: UNDERSTANDINGOrganic Chemistry1. An
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Page 43 and 44: MATHEMATICAL CHALLENGESSOLUTION FOR
Page 45 and 46: A 2 ⎛ 3s − 2s ⎞ s≤ s ⎜
Page 47 and 48: 5. Let z 1 , z 2 and z 3 are unimod
Page 49 and 50: If I n =∫x n . e ax dx, then I n
Page 51 and 52: The common difference of an A.P. is
Page 53: XtraEdge for IIT-JEE 51APRIL 2010
Page 57 and 58: 15. What would be the structure of
Page 59 and 60: 14. If line lies inside the region
Page 61: 6. A BTwo containers A & B contain
Page 64 and 65: MOCK TEST FOR IIT-JEEPAPER - IITime
Page 66 and 67: SECTION - IVInteger answer typeThis
Page 68 and 69: X Y Z W0123456789012345678912. If z
Page 70 and 71: (C) Pressure at A > pressureat B(D)
Page 72 and 73: 7. Experimental verification of New
Page 74 and 75: 28. Assertion : A rocket moves forw
Page 76 and 77: 60. Point out the incorrect stateme
Page 78 and 79: MOCK TEST - BIT-SATTime : 3 Hours T
Page 80 and 81: 22. The displacement of interfering
Page 82: 40. A body of mass 2 kg is being dr
Page 85 and 86: 10. The foci of a hyperbola coincid
Page 87 and 88: LOGICAL REASONING1. Fill in the bla
Page 89 and 90: SOLUTION FOR MOCK TESTIIT-JEE (PAPE
Page 91 and 92: or 0.1 v α + 1 = 2 + 2 × 10 -2 ×
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Page 95 and 96: R l=sin 45º sin 30ºR sin 45º = =
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Page 99 and 100: 5.[A,B,D] We have adj A = |A| A -1a
Page 101 and 102: (1, 1)7λ 5.5× 10t min = =P4n 4×1
Page 103 and 104: K TFor a cylinder = 2 in case ofK R
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∴17.[C]Potential of shell A is,1
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39.[B] Solution is decinormal, that
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71.[B]which is a H.P.n th term of c
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85.[C] Letters of word 'STATISTICS'
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13. [B] Point P lies on the arms CD
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33. [B] For quarter revolution∆ V
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16.[A]NH 2⎯ 0−5°C+ NaNO 2 + 2H
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11.[B]→ →∴ α & β are two mu
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CAREER POINTIn associationwithLaunc
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