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(A) (B) (C) (D)ENGLISH1. Choose the one which best expresses the meaningfulconcept :The state's duty is to . . . . the safety of its Citizens.(A) assure (B) ensure (C) insure (D) accept2. Choose the one which best expresses the meaningfulconcept :The company went . . . . in the 1990's recession.(A) burst (B) bust (C) bursted (D) busted3. Choose the one which best expresses the meaningfulconcept :What can we . . . . from this evidence, Watson ?(A) deduce(B) deduct(C) reduce(D) conduce4. Choose the one which best expresses the meaningfulconcept in opposite meaning :Zenith :(A) Sky(B) Firmament(C) nadir(D) naive5. Pick up the correct Synonym for the following wordVoracious :(A) Hungry (B) Wild(C) Quick(D) Angry6. One who travels from place to place :(A) Journey man (B) Tramp(C) Itinerant (D) Mendicant7. Choose the one which best expresses the meaning ofthe given idiom/proverb :To fly off the candle :(A) To dislocate (B) To lose one's temper(C) To take off (D) To be indifferent8. Fill in the blanks with one of the options givenbelow:Gandhi Ji . . . . . . smoking in his youth.?(A) took to(C) took in(B) took for(D) took up9. Select the one which best expresses the samesentence in Passive or Active Voice.Get the box broken.(A) Get someone to break the box.(B) They have broken the box(C) Have the broken box(D) Break the box10. Choose the one which best expresses the correctanswer in the speech :He said, "How shabby you are looking!"(A) He asked how shabby I was looking(B) He exclaimed with disgust that I was lookingvery shabby(C) He exclaimed with sorrow that they werelooking much shabby(D) He told that I was looking much shabby11. Pick out the mis-spelt word –(A) Neigh (B) Rein (C) Neice (D) Neither12. Find out which part of the sentence has an error :I wonder / what he hasdone with the book /(a)(b)I lendhim /(c)NoError(d)(A) Wonder(B) What he has done with the book(C) I lend him(D) No Error13. Pick out the most appropriate pair to fill in theblanks in the same order, to make the sentencemeaningfully complete :She was . . . . . because all her plans had gone . . . . .(A) distraught, awry (B) Frustrated, Magnificently(C) Elated, wild (D) Dejected, splendidly14. Pick out the most effective word from the givenwords to fill in the blanks to make the sentencemeaningfully complete :Most of the issues discussed in the meeting weretrivial and only a few were :(A) Interesting (B) Practical(C) Complex (D) significant15. Pick out the most appropriate pair to fill in theblanks in the same order, to make the sentencemeaningfully complete :The . . . . . of glory lead but to the . . . . .(A) Paths, grave (B) Ways, happiness(C) Acts, Prosperity (D) Achievements, SufferingXtraEdge for IIT-JEE 86APRIL 2010
SOLUTION FOR MOCK TESTIIT-JEE (PAPER - I)1.[A]CHEMISTRYO||C 6 H 5 – CH 3 CC || OC||OCH 3C –C 6 H 5||O2.[B] A ⎯⎯⎯⎯→B3.[D]4.[C]⎯ OzonolysisOrientation foraldol condensationNH2OH,H2SO⎯⎯⎯⎯ ⎯⎯ →∆⎯4oximeformation followed by Beckmann rearrangement.C –NH–CH 3O ||N-methyl benzamideSo, B isA isandCCH | = O3CCH | = C3 CH |3K Cr2O7,H(CH 3 ) 3 CCH 2 CH 2 OH ⎯⎯⎯2 ⎯ → +H O, HeatSOCl ⎯⎯→⎯ 2(CH 3 ) 3 CC H 2 CH 2 N(CH 3 ) 2(D)2(CH 3 ) 3 CCH(A)2(CH 3 ) 3 CCH 2 COCl(B)(CH 3 ) 2 NHCOOHO(CH 3 ) 3 CCH2C || N(CH 3 ) 2(C)LiAlH4,ether← ⎯⎯⎯ ⎯⎯H OAttack of nucleophile is a rate determining stepO OF 3 CIOII2CH 35.[A]6.[D]7.[B]8.[A]I is more electron deficient and facilitates a fasterattack.As water introduces, water dissolves HCl(g) and apress drop is produced Liquid level in thecapillary rises.The energy of AOs depends on the(n + l) values n + l value of (n – 1) d = n + 1 ;n + l value of ns = n(n + l) value of (n + 1)d = n + 3 ; n + l value of nf= (n + 3)But due to lower value of principle quantum no.energy of nf < (n + 1) d∴ energy of (n + 2) s < nf.A, B and C are magnesium ,aluminium andsilicon. Magnesium form ionic oxide, MgO ;Aluminium forms amphoteric oxide ,Al 2 O 3 andsilicon forms a giant molecule SiO 2 .9.[ B,C,D] Due to resonance cyclohexatriene cation isaromatic which causes it's stability.10.[ A,B,D] Catalyst lower the activation energy offorward reaction & backward direction keepingthe same enthalpy of reaction.11.[ A,B,C] Greater the value of (IE – ∆ eg H) greater is theelectronegativity E.N. ofP = (1680 + 340)/(4.18) (125) ~ – 412.[A,B,C] H = E + PV⎛ dH ⎞ ⎛ dE ⎞⎜ ⎟⎠ = ⎜ ⎟⎠⎝ dP ⎝ dPT⎛ dH ⎞For liquid, ⎜ ⎟⎠⎝ dPTT⎛ dV ⎞+ P ⎜ ⎟⎠⎝ dP⎛ dE ⎞= ⎜ ⎟⎠⎝ dVTT+ V⎛ dV ⎞⎜ ⎟⎠⎝ dPT+⎛ dV ⎞P ⎜ ⎟⎠⎝ dP⎛ dV ⎞For incompressible liquid, ⎜ ⎟⎠ – ~ 0.⎝ dP⎛ dH ⎞∴ ⎜ ⎟⎠⎝ dPT~ – VTT+ VXtraEdge for IIT-JEE 87APRIL 2010
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Volume - 5 Issue - 10April, 2010 (M
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Volume-5 Issue-10April, 2010 (Month
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Hospital in Parel and ApolloHospita
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KNOW IIT-JEEBy Previous Exam Questi
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CHEMISTRY6. From the following data
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(ii)OHH + CH 3OH⊕PorClPClClOCH 3O
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Physics Challenging ProblemsSet #12
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8 QuestionsSolutionSet # 11Physics
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8 QuestionsSolutionSet # 12Physics
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PHYSICSSStudents'ForumExpert’s So
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If the body loses this heat in time
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Perfect gas equation :From the kine
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The internal energy of n molecules
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* The binding energy per nucleon is
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KEY CONCEPTOrganicChemistryFundamen
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KEY CONCEPTPhysicalChemistryFundame
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UNDERSTANDINGOrganic Chemistry1. An
Page 38 and 39: The starting compound (A) reacts wi
Page 40 and 41: `tà{xÅtà|vtÄ V{tÄÄxÇzxá12Se
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 and 54: XtraEdge for IIT-JEE 51APRIL 2010
Page 55 and 56: 4. Consider the following reactions
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: LOGICAL REASONING1. Fill in the bla
Page 91 and 92: or 0.1 v α + 1 = 2 + 2 × 10 -2 ×
Page 93 and 94: 12.[A, B, C, D]13.[B]2x t − 5t +
Page 95 and 96: R l=sin 45º sin 30ºR sin 45º = =
Page 97 and 98: 1.[C]2.[B]3.[B]SOLUTION FOR MOCK TE
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
Page 105 and 106: ∴17.[C]Potential of shell A is,1
Page 107 and 108: 39.[B] Solution is decinormal, that
Page 109 and 110: 71.[B]which is a H.P.n th term of c
Page 111 and 112: 85.[C] Letters of word 'STATISTICS'
Page 113 and 114: 13. [B] Point P lies on the arms CD
Page 115 and 116: 33. [B] For quarter revolution∆ V
Page 117 and 118: 16.[A]NH 2⎯ 0−5°C+ NaNO 2 + 2H
Page 119 and 120: 11.[B]→ →∴ α & β are two mu
Page 121 and 122: 1/ 21 -2∫2 x 2 dx⇒⇒01 2 - 3 2
Page 124 and 125: 8.[A]9.[A]10.[B]To take off :irrele
Page 126: CAREER POINTIn associationwithLaunc
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