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Match the columns.
Column I                                                  Column II
text  A)  end text fraction numerator p K subscript a comma H subscript 2 O plus p K subscript b comma H subscript 2 end subscript O end subscript over denominator 2 end fraction text  at  end text 25 to the power of ring operator C open parentheses d subscript text water  end text end subscript equals 1.0 straight g divided by ml close parentheses     text  (P)  end text fraction numerator straight p K subscript straight w over denominator 2 end fraction
text  B)  end text pH text  of  end text CH subscript 3 COONH subscript 4 left parenthesis aq right parenthesis open parentheses K subscript straight a comma CH comma straight c straight infinity OH end subscript equals K subscript straight b comma NH comma OH end subscript close parentheses    text  (Q)  end text 16 minus log invisible function application 1.8
text  C)  end text pH text  of pure water at  end text 320 straight K text  .  end text                                      left parenthesis straight R right parenthesis minus log invisible function application K subscript straight a comma straight H comma O end subscript
text  (S)  end text less than 7.0

  1. A → Q, R; B → P,S; C → S  
  2. A → P,S, R; B → P; C → Q
  3. A → Q, R; B → P; C → P, S
  4. A → P, R; B → Q; C → P, S

The correct answer is: A → Q, R; B → P; C → P, S


    table attributes columnspacing 1em rowspacing 4 pt end attributes row cell K subscript a open parentheses straight H subscript 2 straight O close parentheses equals K subscript b open parentheses straight H subscript 2 straight O close parentheses equals fraction numerator Kw over denominator open square brackets straight H subscript 2 straight O close square brackets end fraction equals fraction numerator 10 to the power of negative 14 end exponent over denominator open parentheses 1000 over 18 close parentheses end fraction end cell row cell equals 1.8 cross times 10 to the power of negative 16 end exponent end cell end table
    left parenthesis C right parenthesis space O n space i n c r e a sin g space t e m p e r a t u r e comma space K w space i n c r e a s e s space a n d space h e n c e comma space P K w space d e c r e a s e s.

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    Match the columns.    
                  Column I                                                      Column II
    A) NaCl                                                   (P) Cationic hydrolysis
    B) Na2CO3                                              (Q) Anionic hydrolysis
    C) NH4Cl                                                 (R) pH = 7.0 at 25oC
    D) CH3COONH4                                      (S) pH < 7.0 at 25oC
    (T) pH > 7.0 at 25oC
    Ka, CH3COOH  = Kb, NH4OH

    Match the columns.    
                  Column I                                                      Column II
    A) NaCl                                                   (P) Cationic hydrolysis
    B) Na2CO3                                              (Q) Anionic hydrolysis
    C) NH4Cl                                                 (R) pH = 7.0 at 25oC
    D) CH3COONH4                                      (S) pH < 7.0 at 25oC
    (T) pH > 7.0 at 25oC
    Ka, CH3COOH  = Kb, NH4OH

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    Column I (pH value)                                                     Column II (Solution)
    A) 5.0                                               (P) pH at which Mg(OH)2 just start precipitating                                                                       from 2.0×10−3 M-Mg2+ solution (Ksp of Mg(OH)2                                                                  = 2 × 10−6 M3 ).
    B) 9.0                                              (Q) Maximum pH at which 0.1 mole of Al(OH)3                                                                     dissolves completely as Al3+ in 1 L solution (Ksp                                                                           of  Al(OH)3 = 1 × 10−28 M4).
    C) 12.5                                            (R) pH at which 0.1 M-CH3COOH dissociates                                                             1000/11% (Ka of CH3COOH = 1.0×10−5M).
    D) 6.0                                              (S) pH of 0.001 M-HA (weak acid) solution (pKa of                                                             HA = pKb of A).
    (T) pH of 3×10−5 M-CaA2 solution (CaA2 dissociates                                                             completely in water; Ka of HA = 5 × 10−9).
     

    Column I (pH value)                                                     Column II (Solution)
    A) 5.0                                               (P) pH at which Mg(OH)2 just start precipitating                                                                       from 2.0×10−3 M-Mg2+ solution (Ksp of Mg(OH)2                                                                  = 2 × 10−6 M3 ).
    B) 9.0                                              (Q) Maximum pH at which 0.1 mole of Al(OH)3                                                                     dissolves completely as Al3+ in 1 L solution (Ksp                                                                           of  Al(OH)3 = 1 × 10−28 M4).
    C) 12.5                                            (R) pH at which 0.1 M-CH3COOH dissociates                                                             1000/11% (Ka of CH3COOH = 1.0×10−5M).
    D) 6.0                                              (S) pH of 0.001 M-HA (weak acid) solution (pKa of                                                             HA = pKb of A).
    (T) pH of 3×10−5 M-CaA2 solution (CaA2 dissociates                                                             completely in water; Ka of HA = 5 × 10−9).
     

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    Match the columns.

    Column I

    Column II

    A)
     H subscript 2 left parenthesis g right parenthesis plus I subscript 2 left parenthesis g right parenthesis not stretchy rightwards harpoon over leftwards harpoon 2 HI left parenthesis g right parenthesis P)
    Unaffected by inert gas addition
    B)
     CaCO subscript 3 left parenthesis s right parenthesis not stretchy rightwards harpoon over leftwards harpoon CaO left parenthesis s right parenthesis plus CO subscript 2 left parenthesis g right parenthesis Q)
    Forward shift by rise in pressure and backward shift by inert gas
    addition.
    C)
     N subscript 2 left parenthesis g right parenthesis plus 3 H subscript 2 left parenthesis g right parenthesis not stretchy rightwards harpoon over leftwards harpoon 2 NH subscript 3 left parenthesis g right parenthesis R)
    Unaffected by increase in pressure.
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     PCl subscript 5 left parenthesis g right parenthesis not stretchy rightwards harpoon over leftwards harpoon PCl subscript 3 left parenthesis g right parenthesis plus Cl subscript 2 left parenthesis g right parenthesis S)
    Backward shift by rise in pressure and forward shift by inert gas addition.

    Match the columns.

    Column I

    Column II

    A)
     H subscript 2 left parenthesis g right parenthesis plus I subscript 2 left parenthesis g right parenthesis not stretchy rightwards harpoon over leftwards harpoon 2 HI left parenthesis g right parenthesis P)
    Unaffected by inert gas addition
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     CaCO subscript 3 left parenthesis s right parenthesis not stretchy rightwards harpoon over leftwards harpoon CaO left parenthesis s right parenthesis plus CO subscript 2 left parenthesis g right parenthesis Q)
    Forward shift by rise in pressure and backward shift by inert gas
    addition.
    C)
     N subscript 2 left parenthesis g right parenthesis plus 3 H subscript 2 left parenthesis g right parenthesis not stretchy rightwards harpoon over leftwards harpoon 2 NH subscript 3 left parenthesis g right parenthesis R)
    Unaffected by increase in pressure.
    D)
     PCl subscript 5 left parenthesis g right parenthesis not stretchy rightwards harpoon over leftwards harpoon PCl subscript 3 left parenthesis g right parenthesis plus Cl subscript 2 left parenthesis g right parenthesis S)
    Backward shift by rise in pressure and forward shift by inert gas addition.

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    straight A space steel space ball space of space mass space 2 straight m space suffers space one minus dimensional space elastic space collision space with space straight a space row space of space three space steel space balls comma
space each space of space mass space straight m. space If space mass space 2 straight m space has space collided space with space velocity space straight v space and space the space three space balls space numbered space
1 comma 2 comma 3 space were space initially space at space rest comma space then space after space the space collision

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space each space of space mass space straight m. space If space mass space 2 straight m space has space collided space with space velocity space straight v space and space the space three space balls space numbered space
1 comma 2 comma 3 space were space initially space at space rest comma space then space after space the space collision

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    straight A space body space of space mass space 2 space kg space moving space with space straight a space velocity space 3 space straight m divided by straight s space collides space with space straight a space body space of space mass space 1 space kg space moving space
with space straight a space velocity space of space 4 space straight m divided by straight s space in space opposite space direction. space If space the space collision space is space head space on space and space completely space
inelastic comma space then

    straight A space body space of space mass space 2 space kg space moving space with space straight a space velocity space 3 space straight m divided by straight s space collides space with space straight a space body space of space mass space 1 space kg space moving space
with space straight a space velocity space of space 4 space straight m divided by straight s space in space opposite space direction. space If space the space collision space is space head space on space and space completely space
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