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6

The graph above demonstrate the effect of?

  • A. surface area on the rate of reaction
  • B. catalyst on the rate of reaction
  • C. pressure on the rate reaction
  • D. concentration on the rate of reaction
View Answer & Discuss (4) JAMB 2010
7

In the reaction N2(g) + O(g)
↔ 2NO(g) produced i an increase in the total pressure will?

  • A. cause less nitrogen to be produced in the equilibrium mixture
  • B. cause less nitric oxide to be produced in the equilibrium mixture
  • C. cause more nitric oxide to be produced in the equilibrium mixture
  • D. cause more oxygen to be produced in the equilibrium mixture
  • E. have no effect
View Answer & Discuss (14) JAMB 1982
8

In the diagram above, the purpose of the asbestos to?

  • A. absorb impurities
  • B. catalyze the reaction
  • C. solidify the gas
  • D. dry the gas
View Answer & Discuss (4) JAMB 2010
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9

Study carefully the reaction represented by the equation below. 2H2O 2(l) → O 2(g) + 2H2O(l). Which of the following will not reaction increase the reaction rate?

  • A. Heating the hydrogen peroxide
  • B. Adding a pinch of MnO2 to the reactant
  • C. increasing the concentration of the H2O2
  • D. Adding water to the reactant
  • E. Exposing the reactant to sunlight
View Answer & Discuss (3) WAEC 1992
10

What will happen if more heat is applied to the following system at equilibrium?

X\(_2\)(g) + 3Y\(_2\)(g) ⇌ 2XY\(_3\)(g); ∆H = xKJmol\(^{-1}\)

  • A. the yield of XY 3 will decompose
  • B. more of XY3 will decompose
  • C. More of X2 will react
  • D. the forward reaction will remain static
View Answer & Discuss (9) WAEC 2002
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