ข้อสอบ กสพท. ม.ค. ปี 58 ?· 2 5. การเปรียบเทียบจุดเดือดของสารต่อไปนี้ข้อใดถูกต้อง

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  • 1

    . .. 58

    1.

    13A 14B 14C 15D 15E 6 6 7 7 8

    . BC

    . CD

    . DE

    . AB

    . CAC

    2. :ABC

    A B C

    1s2 2s2 2p6 1s2 2s2 2p6 3s2 1s2 2s2 2p6 3s2 3p5

    ABC

    1. A

    2. AC

    3. BBO

    4. B3IIAC3VA

    5. BCBC2

    . 134 . 14

    . 25 . 123 . 1235

    3.

    . Br > Ca > Cl Br- > Cl- > Ca2+

    . Ca > Br > Cl Ca2+ > Br- > Cl-

    . Ca > Cl > Mg Ca2+ > Cl- > Mg2+

    . Ca > Mg > Cl Cl- > Ca2+ > Mg2+

    . Cl > Mg > Ca Cl- > Mg2+ > Ca2+

    4.

    . BCl3 I-3 ClF3 . BCl3 NO

    -3 SOCl2

    . NO-3 PH3 SOCl2 . BCl3 NO-3 PH3 . I

    -3 SOCl2 ClF3

  • 2

    5.

    . HF>LiF . H3C -O- CH3 >HO- CH2 - CH3 Cl Cl Cl H

    . C= C > C =C . PH3 > NH3 . SO2 >SiO2 H H H Cl

    6. (CaCl2)

    (Na2CO3)

    .

    .

    .

    .

    Ca2+(aq)+ 2Cl-(aq)+ 2Na+(aq)+CO32-(aq) CaCO3(s)+2NaCl(s)

    .

    7. X4

    2X(s)+ 2 H2O(l) 2XOH(aq)+ H2(g)

    . XXO

    . XNaMg

    . X

    . X

    . (Cl2)CCl4X

    2CCl4

    8. :A,BC

    A

    Cl2

    B HCl

    C

    H2SO4

    . A . B

    . C . AC .BC

  • 3

    9.

    Cs-137Cs-137128mg Cs-1371mg(Cs-13730) . 60 . 150

    . 180 . 210 .240

    10. X

    -

    - XOXO2 - X

    X

    . [He]2s2 . [He]2s2 2p2

    . [Ne]3s1 . [Ne]3s2 3p2 . [Ne]3s2 3p5

    11. X210.011.0X

    10.8()X

    . .

    . . .

    12. (C3H8)(C4H10)

    0.649.6kg

    . 110.0 . 149.6

    . 154.0 . 158.4 . 308.0

    100

    80

    60

    0

    4020

    10.0 11.0

    () 100

    80

    60

    0

    4020

    10.0 11.0

    ()

    100

    80

    60

    0

    4020

    10.0 11.0

    ()

    100

    80

    60

    0

    4020

    10.0 11.0

    () 100

    80

    60

    0

    4020

    10.0 11.0

    ()

  • 4

    13. K2Cr2O71.00x10-5 mol/dm3K2Cr2O7

    Xg100cm3

    1.00cm3500cm3

    X

    . 0.147 . 0.294

    . 0.588 . 1.470 .2.940

    14. X0.0320molA20cm3

    -10.0oCY2.85gA20cm3

    -2.0oCXY

    AA6.0oC0.800g/cm3

    Y

    . 111 . 114

    . 142.5 . 178 . 223

    15. (Mg3N2)4.0g2.7g3.6g

    . 54 . 60

    . 75 . 83 . 90

    16. XY2X2Y4500cm3STP

    X2Y4XY2

    X2Y4(g) XY2(g) ()

    800cm3STP

    XY2

    . 15.4 . 25.0

    . 33.3 . 40.0 . 53.3

  • 5

    17. 1-4

    1. X

    2.

    3.

    Q2R3

    22oC

    4. Y Y

    . 24 . 34

    . 123 . 12

    . 13

    18. X

    ()

    X30oC1atm

    . X

    . 0.5atm50oCX

    . 10oCX

    . 0.5atm-10oCX . 0.5atmX

    -30 -10 10 30 50 70

    0.5

    1.0(atm)

    (oC)

  • 6

    19. 60atm27oC10L

    70atm(oC)

    37oC

    (=8.3JK-1mol-1 =0.082LatmK-1mol-1)

    . 31.5 . 62

    . 77 . 257 . 350

    20.

    . .

    . . .

    21. Mg(s)+ 2H+(aq) Mg2+(aq)+ H2(g)

    Mg5Mg10g

    HCl0.2mol/dm3

    Mg

    . Mg . Mg

    . Mg10-20 . Mg

    . Mg

    22. Br2HCOOH25oC

    Br2(aq)+HCOOH(aq) 2Br-(aq)+ 2H+(aq)+CO2(g)

    1dm3Br20.0120molHCOOH0.0500mol100

    Br-7.20x10-3molBr20100

    . 3.60x10-5 . 7.20x10-5

    . 1.20x10-4 . 1.44x10-4 . 7.20x10-3

  • 7

    23.

    1. Mg(s)+2HCl(aq) MgCl2(aq)+ H2(g)

    2. 2KClO3(s) 2KCl(s)+3O2(g)

    3. Ca(OH)2(aq)+CO2(g) CaCO3(s)+ H2O(l)

    123

    1. 2. 3.

    .

    . pH

    . pH

    .

    . pH

    24.

    . (1)(2)

    . (1) (2)

    . (1)(2)

    . (1)(2)(1)

    (2)

    . (1)(2)(1)

    (2)

    (1)ToC

    (2)5ToC

    (2)

    (1)

  • 8

    25. Ca(OH)2Ca(OH)2

    Ca(OH)2Ca(OH)2Ca2+

    OH-

    Ca(OH)2(s) Ca2+(aq)+2OH-(aq)

    1. CO2 2. H2O 3. HCl 4. NaOH 5. CaCl2 Ca(OH)2

    . 123 . 234

    . 345 . 124 . 235

    26.

    . A(g) + B(g) 2C(g) . D(s) + E(g) F(g)

    . G(g) I(g) + H(g) . 2X(g) Y(g) + Z(g)

    . 2P(g) Q(s) + R(g)

    27. H2(g)I2(g)

    H2(g)+I2(g) 2HI(g)

    (K)47

    .

    .

    . H2I2HI

    . H2I2HI

    . HIH2I2

    28. K1K2K3(1)(2)(3)

    (1) 2A2(g) + B2(g) 2A2B(g) K1 (2) A2(g) + 2B2(g) 2AB2(g) K2 (3) 4AB2(g) 2A2B(g)+ 3B2(g) K3 K1K2K3

    . 2K2 = K1 . K1 = K

    22K3

    K3

    . K2 = K1 - K3 . K1 = K

    22 + K3 . K1 = 2K2 + K3

    2

  • 9

    29. --

    HPO42- SO2-4 HS

    - CH3NH2 HCO-3

    . PO3-4 HSO-4 H2S CH3NH

    - CO2-3

    . H2PO-4 H2SO4 S

    2- CH3NH- CO2-3

    . H3PO4 H2SO4 H2S CH3NH+3 H2CO3

    . H2PO-4 HSO

    -4 H2S CH3NH

    +3 H2CO3

    . H3PO4 HSO-4 S

    2- CH3NH+3 H2CO3

    30. C6H5O2N0.6150g

    250.00cm3pH3.00

    . 1.0x10-6 . 5.3x10-5 . 2.5x10-4 . 1.0x10-3 .5.0x10-2

    31. -(-)pH3.0-5.0

    1.0mol/dm3

    .KF . NaCl . HNO3 . NaOH .NH4NO3

    32. 5

    pH ()

    A 3.0-4.6 - B 4.2 -6.3 - C 5.0-8.0 - D 6.0-7.6 - E 7.0-8.0 -

    . A . B . C . D . E

  • 10

    33. (C4H6O6)30.00cm3

    NaOH0.100mol/dm3NaOH20.00cm3

    . 0.30 . 0.50 . 1.00 . 1.20 . 2.00

    34. AB20cm3

    A B

    . NH4Cl 0.50 mol/dm3 HCl 0.50 mol/dm3

    . NaHCO3 2.0 mol/dm3 HCl 1.00 mol/dm3

    . NaOH 2.0 mol/dm3 CH3COOH 0.50 mol/dm3

    . NaH2PO4 0.50 mol/dm3 Na3PO4 1.00 mol/dm

    3

    . NaOH 2.0 mol/dm3 H3PO4 0.50 mol/dm3

    35.

    2MnO4-(aq) + 16H+(aq) + 5Zn(s) 8H2O(l) + 2Mn

    2+(aq) + 5Zn2+(aq)

    . 2 .3 .5 . 7 . 10

    36.

    . Co(NO3)2 + 6KCN K4[Co(CN)6] + 2KNO3

    . 2NH3 + 5O2 2NO + 3H2O

    . 2K2CrO4 + 2HCl K2Cr2O7 + 2KCl + H2O

    . 3Cl2 + 6NaOH 5NaCl + NaClO3 + 3H2O

    . 2Al + 6H2O + 2OH- 2[Al(OH)4]

    - + 3H2O

  • 11

    37.

    E0 (V)

    O2(g) + 4H+(aq)+4e- 2H2O(l) 1.23

    NO-(aq) + 4H+(aq)+3e- NO(g)+ 2H2O(l) 0.96

    Fe3+(aq) + e- Fe2+(aq) 0.77

    Zn2+(aq) + 2e- Zn(s) -0.76

    Al3+(aq) + 3e- Al(s) -1.68

    Ba2+(aq) + 2e- Ba(s) -2.91

    Li+(aq) + e- Li(s) -3.04

    . 2Al3+(aq) + 3Ba(s) 3Al(s) + 3Ba2+(aq)

    . 2Zn2+(aq) + 2H2O(l) 2Zn(s) + O2(g) + 4H+(aq)

    .O2(g) + 4H+(aq) + 4Fe2+(aq) 4Fe3+(aq) + 2H2O(l)

    . NO-(aq) + 4H+(aq) + 3Li(s) NO(g) + 2H2O(l) + 3Li+(aq)

    . 2NO-(aq) + 8H+(aq) + 3Ba(s) 2NO(g) + 3Ba2+(aq) + 4H2O(l)

    38.

    (1) Pb Ni2+

    (2) Ni Cd2+

    (3) Ag HCl

    (4) Pb Ag+

    (5) Pb HCl

    . HClPb

    . Ni> Ag >Pb

    . HClNiAg

    . Cd> Ni >Pb> Ag

    . Ni2+ >Pb2+ > Ag+ > H+

    3

    3

    3

  • 12

    39.

    E0 (V)

    Fe2+(aq) + 2e- Fe(s) -0.44

    Cu2+(aq) + 2e- Cu(s) 0.34

    O2(g) + 2H+(aq) +2e- H2O2(aq) 0.69

    Fe3+(aq) + e- Fe2+(aq) 0.77

    H2O2(aq) + 2H+(aq)+2e- 2H2O(l) 1.77

    S2O2-(aq) + 2e- 2SO2-(aq) 2.01

    1. Cu(s)Cu2+(aq)Fe2+(aq)Fe(s)

    2. Pt(s)Fe2+(aq),Fe3+(aq)H+(aq),H2O2(aq)Pt(s)

    3. Pt(s)SO2-(aq),S2O2-(aq)H2O2(aq)O2(g)Pt(s)

    . 1 . 2

    . 3 . 12

    . 13

    40.

    .

    .

    .

    .

    .

    8 4

    4 8

  • 13

    41.

    1.

    2. KClK2O63

    3.

    . 1 . 2

    . 12 . 13 . 23

    42.

    1. 3,4,5,5-tetramethylhexane

    2. 2,3-dimethyl-3-pentene

    3. octylacetate

    4. N,N-dimethyl-2-pentanamine

    . 12 . 23

    . 14 . 34 . 134

    43. C5H10(A)

    (B)(A)(B)

    (A) (B)

    . 3 2

    . 4 2

    . 3 4

    . 4 3

    . 4 4

    CH3-CH2 CH3 CH3CH3-CH-CH-C-CH3 CH3 CH3CH3-CH-C CH-CH3 CH3 O

    CH3-C-O-(CH2)7CH3CH3-CH-CH2-CH2-CH3CH3-N-CH3

  • 14

    44. XYZ

    X + Br2 C4H8Br2

    Y + Br2 C5H11Br + HBr

    2Z + 15O2 10CO2 + 10H2O

    . ZBr2 . XKMnO4

    .YZ . XY

    . Y

    45.

    1. CH3COOHCH3CH2OH 2. CH3CH2OCH2CH3CH3CH2CH2CH2OH

    3. CH3COOC2H5C2H5CO2CH3 4. CH3CH2CH2CH2OHCH3CH2CH2OH

    5. CH3COOC2H5CH3CH2CH2OH

    . 25 . 124

    . 134 . 135 . 234

    46.

    A.

    B. B5595

    C.

    D.

    99.5

    E. (CNG)(NGV)

    (LPG)

    . ABC . BCD

    . CDE . ACD . ADE

  • 15

    47.

    . AB . BC

    . AD . CD . ACD

    48. A- D

    1.

    2.

    3.

    4.

    . A> B > C > D

    .D

    .A

    . BC

    . I2D> C > B > A

    49.

    . . 2

    . .

    . 3

    NH(CH2)5C

    O

    n

    (A)NH(CH2)6NHC(CH2)4C

    O

    n

    O(B)

    CH2CHCH2C

    Cl

    nCl

    Cl(C) CH2CH CCH2

    CH3n

    (D)

    COOH

    COOH

    COOH

    COOH

    COOH

    H2N C

    H

    C

    O

    N

    H

    C

    H

    COOH

    C

    O COOHN

  • 16

    50. pH25oC

    pH

    pH

    1 5 7

    2 7 20

    3 10 5

    4 7() 5

    .

    . pH=10

    . pH

    . pH7

    . pH

    . ..58

    1. 2. 3. 4.- 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20.

    21. 22. 23. 24. 25. 26. 27. 28. 29. 30.

    31. 32. 33. 34. 35. 36. 37. 38. 39. 40.

    41. 42. 43.- 44. 45. 46. 47. 48. 49. 50. -

  • 17

    1. A,B6

    2. .ANe, BMg, CCl

    3. 12Mg 2 8 2 12Mg2+ 2 8

    17Cl 2 8 7 17Cl- 2 8 8

    20Ca 2 8 8 2 20Ca2+ 2 8 8

    Ca > Mg > Cl Cl- > Ca2+ > Mg2+

    4. BCl3 ,I-3,ClF3

    NO-3 ,SOCl2,PH3

    Cl Cl Cl H

    5. C =C C=C

    H H H Cl

    6. H+ >Pb2+ > Ni2+ > Cd2+

    39.

    40.

    41.

    42. -1