Which salt undergoes hydrolysis?

1. CH3COONa                                     

2. KNO3

3. NaCl                                               

4. K2SO4

Subtopic:  Acids & Bases - Definitions & Classification |
 78%
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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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The pH of 0.1 M solution of anilium chloride is (Ka of C6H5NH3+ = 10-6)

(1) 3.5

(2) 3

(3) 4.5

(4) none of these

Subtopic:  pH calculation | Salt Hydrolysis & Titration |
 53%
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The conjugate acid of azide ion is:

1. NH3                 2. N3H

3. N2H4                4. N2-

Subtopic:  Ionisation Constant of Acid, Base & Salt | Acids & Bases - Definitions & Classification |
 68%
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In the following reaction

HC2O4- + PO43- HPO42- + C2O42- 

Which are the two Bronsted bases ?

1. H2C2O4- and PO43-

2. HPO42- and C2O42-

3. H2C2O4- and HPO4-2

4. PO43- and C2O42-

Subtopic:  Ionisation Constant of Acid, Base & Salt | Acids & Bases - Definitions & Classification |
 69%
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KpKc for the gaseous reaction:

I. 2A + 3B 2C
II. 2A4B
III. A+B+2C 4D

Would be respectively:

1. (RT)-3, (RT)2, (RT)0 

2. (RT)-3, (RT)-2, (RT)-1 

3. (RT)-3, (RT)2, (RT) 

4. None of the above

Subtopic:  Kp, Kc & Factors Affecting them |
 86%
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Calculate the molar solublity of Fe(OH)2 at a pH of 8

[Ksp of Fe(OH)2 = 1.6 X 10-14]

1. 0.06

2. 0.016

3. 0.01

4. 0.16

Subtopic:  Kp, Kc & Factors Affecting them |
 73%
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