In which of the following will the solubility of AgCl be the minimum?

1. 0.1 M NaNO3 2. Water
3. 0.1 M NaCl 4. 0.1 M NaBr

Subtopic:  Common Ion Effect |
 76%
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Which of the following salts will give the highest pH in the water?                   

1. KCl           

2. NaCl         

3. Na2CO3     

4. CuSO4

Subtopic:  pH calculation |
 75%
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An aqueous solution of which salt has the lowest pH?

1. NaOH                 

2. NH4Cl

3. Na2CO3             

4. NaCl

Subtopic:  pH calculation |
 77%
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The value of H for the reaction,

   X2(g) + 4Y2(g2XY4 (g)

is less than zero. Formulation of XY4(g) will be favored at:                           

1. Low pressure and Low temperature

2. High temperature and Low pressure

3. High pressure and Low temperature

4. High temperature and High pressure

Subtopic:  Le Chatelier's principle |
 75%
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Salting out action of the soap is based on:

1. Complex ion formation

2. Common ion effect

3. Solubility product

4. Acid-base neutralization

Subtopic:  Solubility Product |
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Which is not an acid salt?

1. NaH2PO2                                   

2. NaH2PO3

3. NaH2PO4                                   

4.  NaHSO3

Subtopic:  Acids & Bases - Definitions & Classification |
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 The following equilibria are given

 N2 + 3H2  2NH3,      K1

N2 + O2  2NO,          K2

H212O2  H2O,       K3

The equilibrium constant of the reaction, 2NH352O2  2NO + 3H2O in terms of  K1, K2 and K3 is  

1. K1K33/K2                       

2. K2K33/K1

3. K1K2K3                            

4. K1K2/K3 

Subtopic:  Kp, Kc & Factors Affecting them |
 88%
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The pKa for acid A is greater than pKa for acid B. The strong acid is:

1. Acid A                                           

2. Acid B

3. Are equally strong                         

4. None of the above

Subtopic:  Acids & Bases - Definitions & Classification |
 84%
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At a certain temperature, 2HI H2 +I2 only 50% HI is dissociated at equilibrium. The equilibrium constant is:

1. 1.0                     

2. 3.0                 

3. 0.5               

4. 0.25

Subtopic:  Kp, Kc & Factors Affecting them |
 64%
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A solution of FeCl3 in water acts as acidic due to:

1. Acidic impurities                         

2. Ionization

3. Hydrolysis of Fe3+                       

4. Dissociation

Subtopic:  Salt Hydrolysis & Titration |
 72%
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