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 |
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An acidic buffer cannot be formed by which of the following combinations?
1. HClO4 and NaClO4
2. CH3COOH and CH3COONa
3. H2CO3 and Na2CO3
4. H3PO4 and Na3PO4

Subtopic:  Buffer |
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If the equilibrium constant for N2(g)+O2(g)  2NO(g) is K, the equilibrium constant for 
12N2(g)+12O2(g)  NO(g)will be?

1. K12

2. 12K

3. K

4. K2

Subtopic:  Kp, Kc & Factors Affecting them |
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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 |
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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 |
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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 |
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Which of the following salts will give highest pH in water ?
1. KCl
2. NaCl
3. Na2CO3
4. CuSO4

Subtopic:  pH calculation |
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For the reversible reaction : 
N2(g) + 3H2(g)  2NH3(g) + heat 
The equilibrium shifts in 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 |
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For a given exothermic reaction, Kp and Kp are the equilibrium constants at temperatures T1 and Trespectively. Assuming that the heat of reaction is constant in temperatures range between T1 and T2, it is a readily observation that:
1. Kp>Kp'
2. Kp<Kp'
3. Kp=Kp'
4. Kp=1Kp'

Subtopic:  Kp, Kc & Factors Affecting them |
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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 |
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