At room temperature, MY and NY3, two nearly insoluble salts, have the same Ksp values of 6.2 x 10-13. The true statement regarding MY and NY3 is:

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 a 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 |
 69%
From NCERT
NEET - 2016
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When equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed, then the pH of the resulting solution will be:

1. 12.65 2. 2.0
3. 7.0 4. 1.04
Subtopic:  pH calculation |
 73%
From NCERT
NEET - 2015
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An acidic buffer cannot be formed by which of the following combinations is:

1. HClO4 and NaClO4
2. CH3COOH and CH3COONa
3. H2CO3 and Na2CO3
4. H3PO4 and Na3PO4

Subtopic:  Buffer |
 67%
From NCERT
NEET - 2015
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If the equilibrium constant for N2(g) + O2 (g) ⇄ 2NO(g) is K, the equilibrium constant for 
\(\frac{1}{2}\)N2(g) + \(\frac{1}{2}\)O2(g) ⇄ NO(g)
will be?

1. K12

2. 12K

3. K

4. K2

Subtopic:  Kp, Kc & Factors Affecting them |
 83%
From NCERT
NEET - 2015
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Aqueous solution of which of the following compounds is the best conductor of electric current?
1. Acetic acid, C2H4O2
2. Hydrochloric acid, HCl
3. Ammonia, NH3
4. Fructose, C6H12O6

Subtopic:  Ionisation Constant of Acid, Base & Salt |
 85%
From NCERT
NEET - 2015
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The value of the equilibrium constant for a particular reaction is 1.6 x 1012. When the system is in equilibrium, it will include:

1. All reactants 2. Mostly reactants
3. Mostly products 4. Similar amounts of reactants and products
Subtopic:  Kp, Kc & Factors Affecting them |
 70%
From NCERT
NEET - 2015
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The Ksp of Ag2CrO4, AgCl, AgBr, and Agl are respectively, 1.1 x 10-12, 1.8 x 10-10, 5.0 x 10-13, 8.3 x 10-17. Which one of the following salts will precipitate last if AgNO3 solution is added to the solution containing equal moles of NaCl, NaBr, Nal, and Na2CrO4?

1. Agl

2. AgCl

3. AgBr

4. Ag2CrO4

Subtopic:  Solubility Product |
 52%
From NCERT
NEET - 2015
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Which of the following salts will give the highest pH in water?
1. KCl
2. NaCl
3. Na2CO3
4. CuSO4

Subtopic:  pH calculation |
 75%
From NCERT
AIPMT - 2014
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For the reversible reaction:
N2(g) + 3H2(g) \(\rightleftharpoons\) 2NH3(g) + heat 

The equilibrium shifts in a forward direction:

1. by increasing the concentration of NH3(g)
2. by decreasing the pressure.
3. by decreasing the concentration of N2(g) and H2(g)
4. by increasing pressure and decreasing temperature.

Subtopic:  Le Chatelier's principle |
 84%
From NCERT
AIPMT - 2014
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Which of these is least likely to act as Lewis base?
1. F
2. BF3
3. PF3
4. CO

Subtopic:  Acids & Bases - Definitions & Classification |
 74%
From NCERT
AIPMT - 2013
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