Asked in PMC Practice Test 8 (2021) 2021

Conversion of water into steam is a_.

Correct answer: C. Reversible Reaction

  • A. Spontaneous Reactions
  • B. Exothermic Reaction
  • C. Reversible Reaction
  • D. Combustion Reaction

Explanation

A reversible reaction is a reaction in which the conversion of reactants to products and the conversion of products to reactants occur simultaneously. Water to steam is a "reversible reaction" as steam can be turned back to water through condensation

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About Reversible Reactions

A reversible reaction proceeds in both forward and backward directions, so reactants and products continue changing until dynamic equilibrium is established. The topic covers the meaning of equilibrium, the equality of forward and reverse rates, and how concentration, pressure and temperature disturb equilibrium, which is separate from the rate at which equilibrium is reached.

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