1 |
when a system is in equilibrium state or in dynamic equilibrium state. |
- A. Reactants and product are equal
- B. Forward reactions stops
- C. Reverse reactions stops
- D. Forward reaction rate and reverse reaction rate
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2 |
Reaction which have comparable amount of reactants and products at equilibrium state have. |
- A. Very small Kc value
- B. Very large Kc value
- C. Moderate Kc value
- D. None of these
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3 |
When the reaction causes to produced it is called. |
- A. Chemical equlibrium state
- B. Static equilibrium
- C. Dynamic equilibriiun
- D. All
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4 |
Equilibrium constant has no unit when number of moles of reactants and products are: |
- A. same
- B. Different
- C. Both a and b
- D. None of these
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5 |
The color of hydrogen Iodide is: |
- A. Colourless
- B. Black
- C. Red
- D. Pink
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6 |
If Qc > Kc the reaction will be in |
- A. Chemical equilibrium
- B. Static equilibrium
- C. Reverse reaction
- D. Forward reaction
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7 |
The unit of molar concentration: |
- A. mol. dm<sup>-2</sup>
- B. mol. dm<sup>-1</sup>
- C. mol. dm
- D. mol. dm<sup>-3</sup>
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8 |
When the magnitude of Kc is very large in indicates. |
- A. Reaction never go to completion
- B. Reaction is in equilibrium state
- C. Reaction will complete after some time
- D. Reaction has almost to completion
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9 |
Which one of the following statements is not correct about active mass? |
- A. Rate of reaction is directly proportional to activ emass.
- B. Active mass is taken in molar concentration
- C. Active mass is represented by square brackets
- D. Active mass means total mass of substances.
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10 |
The reactions in which products can recombine to form reactants is called. |
- A. Irreversible reactions
- B. Reversible reactions
- C. Direct reactions
- D. Indirect reactions
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