Lakshya Education MCQs

Question: For the reversible reaction A ⇋ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium?
Options:
A.0.253
B.0.338
C.0.152
D.0.637
Answer: Option B

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More Questions on This Topic :

Question 1. The importance of diffusion in a catalyst are increased by
  1.    Large catalyst particle size
  2.    An active surface of the catalyst
  3.    Small pore diameter
  4.    All of the above
Answer: Option D
Question 2. In a semi-batch reactor
  1.    Velocity of reaction can be controlled
  2.    Maximum conversion can be controlled
  3.    Both the reactants flow counter-currently
  4.    Residence time is constant
Answer: Option A
Question 3. In autocatalytic reactions,
  1.    One of the reactants acts as a catalyst
  2.    One of the products acts as a catalyst
  3.    Catalysts have very high selectivity
  4.    No catalyst is used
Answer: Option B
Question 4. Pick out the wrong statement.
  1.    The integral method of analysing kinetic data is used when the data is scattered
  2.    The differential method of analysing kinetic data requires more accurate or larger amounts of data
  3.    When the reaction rate is independent of temperature, the reaction is said to be of zero order
  4.    He ratio of volumes of plug flow reactor to that of mixed reactor is always less than one for identical feed composition, flow rate, conversion and for all positive reaction orders
Answer: Option C
Question 5. Which of the following factors control the design of a fluid-solid reactor?
  1.    Reaction kinetics for single particle,
  2.    Size distribution of solids beingtreated
  3.    Flow patterns of solids and fluid in the reactor
  4.    All of the above
Answer: Option D
Question 6. Reaction of benzene with chlorine gas to produce tri-chlorobenzene exemplifies a/an __________ reaction.
  1.    Elementary
  2.    Parallel
  3.    Consecutive
  4.    None of these
Answer: Option C

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