Interpretation: The reaction that is not a
Concept Introduction:
A
Answer to Problem 5STP
Correct answer: The correct option is ‘B’.
Explanation of Solution
Reason for correct option: In double displacement reaction only, ions are exchanged between two reactants. Here, the oxidation and reduction processes are not observed. Hence, a double displacement reaction is not a redox reaction.
Reasons for incorrect options:
Option A is incorrect: In a single displacement reaction, one element is substituted with another element to form a compound during this transfer the elements gain and lose electrons simultaneously.
Option C is incorrect: Combustion which is known as burning, this reaction involves oxygen to burn a substance and the products of the combustion reaction are called oxides. In this process, both oxidation and reduction occur.
Option D is incorrect: Combination reactions are also considered to be redox reactions because, in this reaction, two elements are combined to make a single product while combining there is the transfer of electrons, that is, one element can be reduced and another will be oxidized.
Chapter 20 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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