A 20 litre container at 400 K contains CO2(g) at pressure 0.4 atm and an excess of SrO (neglect the volume of solid SrO). The volume of the container is now decreased by moving the movable piston fitted in the container. The maximum volume of the container, when the pressure of CO2 attains its maximum value, when the pressure of C02 attains its maximum value, will be

(Given that: SrCO3(s)  SrO(s) + CO2(g), (Kp =1.6 atm))

(1) 5 L

(2) 10 L

(3) 4L

(4) 2L

Subtopic:  Kp, Kc & Factors Affecting them |
 58%
From NCERT
NEET - 2017
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The concentration of the Ag+ ions in a saturated solution of Ag2C2O4 is 2.2 x 10-4 M. The solubility product of Ag2C2O4 is

1. 2.42 x 10-8

2. 2.66 x 10-12

3. 4.5 x 10-11

4. 5.3 x 10-12

Subtopic:  Solubility Product |
 53%
From NCERT
NEET - 2017
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The percentage of pyridine (C5H5N) that forms pyridinium ion (C5H5N+H) in a 0.10 M aqueous pyridine solution (Kb for C5H5N = 1.7 x 10-9) is

(1) 0.0060 %                 

(2) 0.013 %

(3) 0.77 %                     

(4) 1.6%

Subtopic:  Kp, Kc & Factors Affecting them |
 64%
NEET - 2016
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The solubility of AgCl (s) with solubility product 1.6 x 10-10 in 0.1 M NaCl solution would be

(1) 1.26 x 10-5 M               

(2) 1.6 x 10-9 M

(3) 1.6 x 10-11 M               

(4) zero

Subtopic:  Solubility Product |
 74%
From NCERT
NEET - 2016
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Boric acid is an  acid because its molecule

(1) contains replaceable H+ ion

(2) gives up a proton

(3) accepts OH- from water releasing proton

(4) combines with proton from water molecule

Subtopic:  Acids & Bases - Definitions & Classification |
 60%
From NCERT
NEET - 2016
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Which of the following fluoro-compounds is most likely to behave as a Lewis base?
(1) BF3

(2) PF3

(3) CF4

(4) SiF4

Subtopic:  Acids & Bases - Definitions & Classification |
 57%
From NCERT
NEET - 2016
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Among the following, the correct order of acidity is

1. HClO < HClO2 < HClO3 < HClO4

2. HClO2 < HClO < HClO3 < HCLO4

3. HClO4 < HClO2 < HClO < HClO3

4. HClO3 < HClO4 < HClO2 < HClO

Subtopic:  Acids & Bases - Definitions & Classification |
 83%
NEET - 2016
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MY and NY3 , two nearly insoluble salts, have the same Ksp values of 6.2 x 10-13 at room

temperature. Which statement would be true in regard to MY and NY3?

1. The molar solubility of MY in water is less than that of NY3

2. The salts MY and NY3 are more soluble in 0.5 M KY than in pure water

3. The addition of the salt of KY to solution of MY and NY3 will have no effect on their

solubilities

4. The molar solubilities of MY and NY3 in water are identical

Subtopic:  Solubility Product |
 57%
From NCERT
NEET - 2016
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The Ksp of Ag2CrO4, AgCl, AgBr and Agl are, respectively, 1.1x10-12, 1.8x10-10, 5.0x10-13, and 8.3x10-17. The salt precipitates that last if the AgNO3 solution is added to the solution containing equal moles of NaCl, NaBr, Nal and Na2CrOis -

1. Agl 2. AgCl
3. AgBr 4. Ag2CrO4
Subtopic:  Solubility Product |
From NCERT
NEET - 2015
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Which of the following statements is correct for a reversible process in a state of

equilibrium?

1. ΔG = -2.30 RT logK

2. ΔG = 2.30 RT log K

3. ΔG° = -2.30 RT logK

4. ΔG° = 2.30 RT logK

Subtopic:  Kp, Kc & Factors Affecting them |
 78%
From NCERT
NEET - 2015
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