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MDCAT
Chemistry
2021

Chemistry · Reaction Kinetics

Work through this past-paper style MCQ, then read the full explanation. Practice more chemistry questions on mMCQ with adaptive practice and topic analytics.

Question

As the hydrolysis of ester proceeds, more and more acid is formed giving a ___.

Options
  • A

    Rising curve

  • B

    Falling Curve

  • C

    Straight line

  • D

    None of these options is correct

Explanation

Initially, the rate of reaction is high because of the higher concentration of esters. A repeated analysis at various time intervals after the start of the reaction, provides us with information about the change in concentration of acetic acid and if we plot a graph for this it will give a rising curve.

It is correct as initially the rate of reaction is high because of higher concentration of esters. A repeated analysis at various time intervals after the start of reaction ,provides us information about the change in concentration of acetic acid and if we plot a graph for this it will give a rising curve .

It is incorrect because the falling curve is obtained when the concentration of esters decreases .

It is incorrect because straight line is obtained when when the rate of reaction becomes zero 

It is incorrect as option A is correct .

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Tagged under Chemistry · Reaction Kinetics · 2021