south delhi : 28-a/11, jia sarai, near-iit hauz khas, .2016-04-19 · part - a (general aptitude)

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  • North Delhi : 33-35, Mall Road, G.T.B. Nagar (Opp. Metro Gate No. 3), Delhi-09, Ph: 011-65462244, 65662255South Delhi : 28-A/11, Jia Sarai, Near-IIT Hauz Khas, New Delhi-16, Ph : 011-26851008, 26861009

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  • North Delhi : 33-35, Mall Road, G.T.B. Nagar (Opp. Metro Gate No. 3), Delhi-09, Ph: 011-65462244, 65662255South Delhi : 28-A/11, Jia Sarai, Near-IIT Hauz Khas, New Delhi-16, Ph : 011-26851008, 26861009

    2

    PART - A (General Aptitude)

    1. The characteristics of foreign tourists in one year is given in the following pie chart.

    American 60%

    Others15%

    Britain20%

    Below 20 years 60%

    20-40 years20%

    >40 years20%

    Tourists country wise American tourists

    Total number of tourits = 1, 00, 000

    From the pie charts, find the number of American tourists in the age group 20-40 who visited during theyear ?(a) 12000 (b) 20000 (c) 40000 (d) 60000

    2. Two goods train each 500m long, are running in opposite directions on parallel tracks. Their speeds are45 km/hr and 30 km/hr respectively. Find the time taken (in seconds) by the slower train to pass thedriver of the faster train.(a) 12 (b) 24 (c) 36 (d) 48

    3. Six lectures A, B, C, D, E and F are to be organised in a span of seven days from Sunday to Saturday,only one lecture on each day in accordance with the following :(i) A should not be organised on Thursday(ii) C should be organised immediately after F(iii) There should be a gap of two days between E and D.(iv) One day there will be no lecture (Friday is noty that day), just before that day D will be organized(v) B should be organised on Tuesday and should not be followed by D.On which day is there no lecture?(a) Sunday (b) Friday (c) Monday (d) Tuesday

    4. Find the next number in the series1000, 1500, 2250, ............(a) 2500 (b) 2700 (c) 3375 (d) 3380

    5. Find the missing letter(a) H(b) J ?

    A E C GB J FC O I UD T L B

    (c) L(d) N

    6. In the numeration system with base 5, counting is as follows : 1, 2, 3, 4, 10, 11, 12, 13, 14, 20, ....... Thenumber whose description in the decimal system is 69, when described in the base 5 system, is a numberwith :(a) two consecutive digits (b) two non-consecutive digits(c) three consecutive digits (d) three-non consecutive digits

    7. Evaluate 3 [3(33(3+3)}](a) 15 (b) 12 (c) 15 (d) 18

    8. A long a yard 300 metres long, 61 trees are planted at equal distances, one tree being at each end of theyard. What is the distance between two consecutive trees?(a) 4.92 m (b) 5 m (c) 5.12 m (d) 6 m

  • North Delhi : 33-35, Mall Road, G.T.B. Nagar (Opp. Metro Gate No. 3), Delhi-09, Ph: 011-65462244, 65662255South Delhi : 28-A/11, Jia Sarai, Near-IIT Hauz Khas, New Delhi-16, Ph : 011-26851008, 26861009

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    9. In how many different ways can be the letters ofteh word HORROR be arranged?(a) 60 (b) 90 (c) 120 (d) 720

    10. Today is Monday, After 100 days it will be ?(a) Wednesday (b) Thursday (c) Friday (d) Saturday

    PART-B (Organic Chemistry)

    11.

    CHOH

    Me

    (i) NaBH4/CeCl3(ii) tBuOOH/Ti(OPni)4

    (A)

    () DET

    The major product ?

    (a)

    H

    Me

    OH

    OH

    (b)

    H

    Me

    OH

    O(c)

    H

    Me

    OH

    OH

    (d)

    H

    Me

    OH

    O

    12.

    Ph

    O

    (i) m-CPBA/CH2Cl2(ii) NaOH/H2O

    (A)

    The major product?

    (a)

    Ph

    OH

    O

    HO

    (b) OO

    Ph

    (c)

    Ph

    OH

    O

    MeO

    (d) HOOC

    Ph

    OH

    13.CN

    Ph

    (i) NaOH/ Br(ii) DIBAL/H2O

    (A)

    The major product?

    (a) CHO

    Ph(b)

    CN

    Ph

    Me

    (c) CHO

    Ph(d)

    CH2OH

    Ph

    14.

    O

    (i) BF3.Et2O

    (ii) LDA/THF/78C/MeI(A)

    What is the major product (A)

    (a)

    O

    Me (b)

    OH

    Me (c)

    Me

    O (d)

    MeO

    Me

    Me

    Me

  • North Delhi : 33-35, Mall Road, G.T.B. Nagar (Opp. Metro Gate No. 3), Delhi-09, Ph: 011-65462244, 65662255South Delhi : 28-A/11, Jia Sarai, Near-IIT Hauz Khas, New Delhi-16, Ph : 011-26851008, 26861009

    4

    15.

    Br

    OMe

    H

    (i) DBU

    (ii) MeMgBr/CuBr/dry ether(A)

    (a)

    Me

    OMe

    H

    (b)

    OMe

    HMe

    (c)

    OMe

    HMe

    (d)

    Me

    H

    C

    O

    OMe

    16. Among the rate of hydrolysis of following alkyl halide in decreasing order

    (I) CBr3

    (II) CHBr2

    (III) CH2Br (IV) PhCH2Br

    (a) I > II > III > IV (b) II > I > III > IV (c) IV > III > II > I (d) III > II > IV > I

    17. Which among the following gives the positive Tollens test.(a) Maltose (b) Sucrose (c) Amylose (d) Cellulose

    18. Consider the following statements about amino acids the incorrect one is:(a) all the naturally occurinsg amino acids that occours as the constituents of proteins belongs to L-series(b) gly is the only amino acid which does not possess a chiral centre.(c) an important sensitive test for detection of amino acids is nin-hydrin test(d) nitrus acid librates nitrus oxide from amino acids.

    19. The major product (P) formed in the following reaction sequence is

    C

    O

    Ph H2C Ph

    hv (P)

    (a)

    Ph

    (b)

    PhHO

    Ph(c)

    PhPh

    (d)

    PhHO

    20. The following compounds are

    (I)

    ClO4

    (II) (III)

    (a) I-Quasi aromatic, (II) homoaromatic, (III) aromatic(b) I-Quasi aromatic, (II) aromatic, (III) homo aromatic(c) (I) homo-aromatic, (II) Quasi aromatic, (III) aromatic(d) (I) homo-aromatic, (II) aromatic, (III) Quasi aromatic.

  • North Delhi : 33-35, Mall Road, G.T.B. Nagar (Opp. Metro Gate No. 3), Delhi-09, Ph: 011-65462244, 65662255South Delhi : 28-A/11, Jia Sarai, Near-IIT Hauz Khas, New Delhi-16, Ph : 011-26851008, 26861009

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    21. The major product (P) formed in the following reaction sequence is

    R1R2

    OH

    OH

    (i) AcBr, MeC(OMe)3(ii) K2CO3, MeOH

    (P)

    (a) R1

    R2O

    (b) R1

    R2O

    (c) both (a) and (b) in equal amounts (d) (a) is major and (b) is minor.

    22. The major product (P) formed in the following reaction sequence isCO2H

    NH2

    (i) BH3.Me2S

    (ii) NaOH(iii) NaNO2, HCl

    (P)

    (a) OH

    OH (b) OH

    OH

    (c) CO2H

    OH(d)

    COOH

    OH23. The major product (P) in the following reaction is

    NH

    (i) nBuLi(ii) TBDMS-Cl(iii) NBS/THF(iv) n-BuLi(v) CO2, H+

    (P)

    (a) N

    Br

    COOH

    TBDMS

    (b) N

    COOH

    Br

    TBDMS

    (c) N COOH

    TBDMS

    (d) N

    TBDMS

    COOH

    24. Which of the following molecules are not optically active?

    NBr CH3

    CH3

    BrCO2H

    H3C CO2H Br

    H

    HO

    H

    CO2H

    H

    HO2C

    H

    OH

    OHH

    H3C CH3CH3

    (A)(B) (C) (D)

    (a) A, B (b) B, C (c) C, D (d) D, A

  • North Delhi : 33-35, Mall Road, G.T.B. Nagar (Opp. Metro Gate No. 3), Delhi-09, Ph: 011-65462244, 65662255South Delhi : 28-A/11, Jia Sarai, Near-IIT Hauz Khas, New Delhi-16, Ph : 011-26851008, 26861009

    6

    25. Correct configurations of stereo centres for the given molecules A and B respectively, will be.

    O O

    A B

    1

    2

    1

    2

    (a) 1S, 2R and 1R, 2S (b) 1R, 2S and 1S, 2R (c) 1R, 2R and 1S, 2S (d) 1S, 2R and 1S, 2S26. Number of signals expected in proton decoupled 13C NMR spectrum of 1, 4-dihydroxynapthalene and 1, 8-

    dihydroxynaphthalene are(a) 5 and 5 (b) 5 and 6 (c) 5 and 10 (d) 10 and 6

    27. Among the following compounds the one that readily undergoes decarboxylation upon heating is

    (a)

    COOHO

    (b) O

    COOH

    (c) O

    COOH

    (d) O

    HOOC

    28. What is the max for the following compound?

    Given : transoid base value = 214 nm: cisoid base value = 253 nm: alkyl group on base = + 5 nm: exocyclic C C = + 5 nm: extended conjuation = + 30 nm

    (a) 234 nm (b) 244 nm (c) 273 nm (d) 283 nm

    29. Stereotopological relation between Ha and Hb in given molecules respectively.

    Ha

    Hb

    Ha

    Hb

    Ha

    Hb

    X Y Z(a) Enantiotopic, Diastereotopic and identical (b) Identical, Enantiotopic and Diastereotopic(c) Enantiotopic, Identical and Diastereotopic (d) Diastereotopic , enantiotopic and identical

    30. What will be the relation between two molecules given belowCOOH

    CH3

    H3C

    COOH

    H

    H

    H

    H

    (a) Conformational diastereomers (b) Configurational enantiomers(c) Configurational Identical (d) Conformational enantiomers

  • North Delhi : 33-35, Mall Road, G.T.B. Nagar (Opp. Metro Gate No. 3), Delhi-09, Ph: 011-65462244, 65662255South Delhi : 28-A/11, Jia Sarai, Near-IIT Hauz Khas, New Delhi-16, Ph : 011-26851008, 26861009

    7

    PART-C

    31.

    CO2Me

    HO2C

    MeH

    (i) (COCl)2, CH2Cl2or SOCl2/CH2Cl2

    (ii) CH2N2/THF(iii) Ag//THF/H2O(iv) aq. NaOH

    (A)

    What is the major product (A)?

    (a)

    CO2Me

    MeH

    HOOC (b)

    CO2Me

    MeH

    MeOOC

    (c)

    CO2Me

    MeH

    HOOC (d)

    CO2H

    MeH

    MeOOC

    32.

    O

    CO

    OMeMeO /NaH

    (ii) MeI/K2CO3(A)

    What is the major product (A)

    (a)

    O

    MeMe

    Me

    MeO2C

    (b)

    O

    MeO2C

    Me

    (c)

    MeO

    MeO2C

    (d)

    MeOOCO

    Me

    33.N

    CO2But

    CH2Phm-CPBA (A)

    NC

    H

    m-CPBA (B)Ph

    O

    What is the major product (A) and (B)

  • North Delhi : 33-35, Mall Road, G.T.B. Nagar (Opp. Metro Gate No. 3), Delhi-09, Ph: 011-65462244,