The increasing order of basic strength of Cl-CO32- , CH3COO-, OH-, F- is:

1. Cl-<F-<CH3COO-<CO32- <OH-

2.  Cl-<F-CO32- <CH3COO-<OH-

3. CH3COO-<Cl-<F-<CO32- <OH-

4. none of the above

Subtopic:  Acids & Bases - Definitions & Classification |
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If the pressure is applied to the following equilibrium, Liquid  Vapour. The boiling temperature of the liquid:

1. will decrease                                 

2. will increase

3. may not change                           

4. will not change

Subtopic:  Introduction To Equilibrium |
 63%
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Which of the following statements is not true?

1. The pH of 10-8 N HCl is 8.

2. 96500 coulomb of electricity is passed through a CuSO4 solution deposit 1g of equivalent of Cu at cathode.

3. The conjugate base of H2PO4- is HPO42-.

4. pH + pOH = 14 for all aqueous solution.

Subtopic:  pH calculation |
 62%
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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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