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Ionic Equilibrium question

2018 · Shift 2 · Q15
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  5. /2018 · Shift 2 · Q15

Ionic Equilibrium question

2018 · Shift 2 · Q15

JEE AdvancedChemistryIonic EquilibriumMCQ+3 / −1
Dilution processes of different aqueous solutions, with water, are given in LIST - I. The effects of dilution of the solutions on [H+]\left[ {{H^ + }} \right][H+] are given in LIST - II

(Note: Degree of dissociation (a) of weak acid and weak base is <<1;\lt \lt 1;<<1; degree of hydrolysis of salt <<1;\lt \lt 1;<<1;[H+]\left[ {{H^ + }} \right][H+] represents the concentration of H+{H^ + }H+ ions)

LIST-I LIST-II
P. (10 mL of 0.1 M NaOHNaOHNaOH + 20 mL of
0.1 M acetic acid) diluted to 60 mL		 1. the value of [H+] does not change
on dilution
Q. (20 mL of 0.1 M NaOHNaOHNaOH + 20 mL of
0.1 M acetic acid) diluted to 80 mL		 2. the value of [H+] changes to half
of its initial value on dilution
R. (20 mL of 0.1 M HCL + 20 mL of
0.1 M ammonia solution) diluted to
80 mL 		3. the value of [H+] changes to two
times of its initial value on dilution
S. 10 mL saturated solution of Ni(OH)2Ni(OH)_2Ni(OH)2​
in equilibrium with excess solid
Ni(OH)2Ni(OH)_2Ni(OH)2​ is diluted to 20 mL (solid
Ni(OH)2Ni(OH)_2Ni(OH)2​ is still present after dilution).		 4. the value of [H+] changes to 12{1 \over {\sqrt 2 }}2​1​
times of its initial value on dilution
5. the value of [H+] changes to 2\sqrt 22​
times of its initial value on dilution


Match each process given in LIST-I with one or more effect(s) in LIST-II. The correct option is :
  1. A
    P−4;Q−2;R−3;S−1P - 4;Q - 2;R - 3;S - 1P−4;Q−2;R−3;S−1
  2. B
    P−4;Q−3;R−2;S−3P - 4;Q - 3;R - 2;S - 3P−4;Q−3;R−2;S−3
  3. C
    P−1;Q−4;R−5;S−3P - 1;Q - 4;R - 5;S - 3P−1;Q−4;R−5;S−3
  4. D
    P−1;Q−5;R−4;S−1P - 1;Q - 5;R - 4;S - 1P−1;Q−5;R−4;S−1
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