The reaction quotient (Q) for the reaction, N2(g) + 3H2(g)       2NH3(g) is given by 

Q=NH32N2H23 The reaction will proceed towards the right side, if    

1. Q>Kc

2. Q=0

3. Q=Kc

4. Q<Kc

Subtopic:  Introduction To Equilibrium |
 74%
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In the dissociation of 2HI H2 + I2, the degree of dissociation will be influenced by the:

1. Addition of inert gas at constant volume

2. Addition of inert gas at constant pressure

3. Increase of temperature

4. Increase of pressure

Subtopic:  Kp, Kc & Factors Affecting them |
 59%
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Equimolar solutions of the following substances were prepared separetly. Which one of these will record the highest pH value?                                                                                             

1. BaCl2         

2. AlCl3         

 3. LiCl           

4. BeCl2

 

Subtopic:  Introduction To Equilibrium |
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The correct order of increasing [H3O+] in the following aqueous solutions is:

1. 0.01 M H2S < 0.01 M H2SO4<0.01 M NaCl<0.01M NaNO2

2. 0.01 M NaCl< 0.01 M NaNO2<0.01 M H2S< 0.01 M H2SO4

3. 0.01 M NaNO2<0.01 M NaCl<0.01 M H2S<0.01 M H2SO4

4. 0.01 M H2S<0.01 M NaNO2<0.01 M NaCl<0.01 M H2SO4

Subtopic:  Kp, Kc & Factors Affecting them |
 53%
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If the pressure of N2 and H2 mixture in a closed apparatus is 100 atm and 20% of the mixture then reacts, the pressure at  the same temperature would be:

1. 100                   

2. 90

3. 85                     

4. 80

Subtopic:  Introduction To Equilibrium |
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The following reactions are known to occur in the body,

    CO2 + H2OH2CO3H+ + HCO3-                 

If CO2 escapes from the system, then:

1. pH will decrease

2. hydrogen ion concentration will diminish

3. H2CO3 concentration will be unaltered

4. the forward reaction will be promoted

Subtopic:  Le Chatelier's principle |
 65%
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Which salt undergoes hydrolysis?

1. CH3COONa                                     

2. KNO3

3. NaCl                                               

4. K2SO4

Subtopic:  Acids & Bases - Definitions & Classification |
 78%
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If K1 and K2 are equilibrium constants for reactions (I) and (II) respectively for,

N2 + O2 2NO           .....(i)

12N212O2  NO     .....(ii)

Then:

1. K2 =K1                    

2. K2 =K1

3. K1 =2K2                    

4. K112K2

Subtopic:  Kp, Kc & Factors Affecting them |
 82%
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According to Le-Chatelier's principle, adding heat to a solid ⇌ liquid equilibrium will cause the :

1. Temperature to increase

2. Temperature to decrease

3. Amount of liquid to decrease

4. Amount of solid to decrease

Subtopic:  Le Chatelier's principle |
 61%
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Ostwald's solution dilution law is applicable in the case of the solution of:

1. CH3COOH                                     

2. NaCl

3. NaOH                                           

4. H2SO4

Subtopic:  Introduction To Equilibrium |
 84%
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